موسٹ امپورٹنٹ سوالات کے لیا سائٹ پیپر سے کچھ دن پھیلے بی چیک کریں: شکریہ
Physics Guess Paper 9th Class 2016
Note: (Physics Guess Paper 9th Class 2016) All published material contains an informatory data which is only gathered for educational purpose. These guesses are prepared after detailed analysis of past five years exams. Our entire team and/or publishers are not responsible in case of variation in assumed results and outcomes. However the purposes of attempted efforts are to provide accurate and effective knowledge to the readers, in any case our entire team and/or publishers will not be responsible for the accuracy or misusage of all published material.
یہ پیپر اولڈ اور نیو کورس کا تجزیہ کر کے تیار کیا گیا ہے (٢٠١٠ سے ٢٠١٥ اولڈ پپیرس ). اپپنے سلیبس کے مطابق تیاری کریں شکریہ.
Guess Paper of Physics 9th Class Important Short Questions
Differentiate between linear and random motion – Write methods of reducing force of friction – How does oiling the moving part of a machine lowers friction – Why rolling friction is less than sliding friction – What is coefficient of friction? – Define the coefficient of linear expansion – Write two advantages and two disadvantages of friction – With what force an apple weighing in attracts the earth – Why vector quantities cannot be added and subtracted like scalar quantities – What do you mean by ‘resolution of vectors? – How can Ave find the magnitude of a vector from rectangular components? – Explain Head-to-tail rule for addition of vector/forces – Define vector and write the name of two vector quantities and How vectors can be represented graphically? – Define Resultant vector – Why the recoil of the gun is smaller than the velocity of the bullet – Why the height of vehicles is kept as low as possible – Why the base of a vehicle is made wide – How can we find mass of moon? – Why moon is called Natural Satellite – What is a satellite? Also define artificial satellites – Now Newton’s law of gravitation helps it understanding taleem-e-pakistan.com the motion of satellite – What is the gravitational field strength near the surface of the earth? – On what factors the orbital speed of a satellite depends – Define gravitational field and Why law of gravitation is important for us – How can you say that gravitational force is a field force? – How value of “g” can be finding – At what attitude the value of g would become one fourth than to the surface of the earth? – Why is the value of ‘g’ different at different places? – Why is the use of zero error necessary in a measuring Instrument? – Why is the use of Correction necessary in a measuring instrument? – Why gaps are left in railway tracks – Define equilibrium. Explain with examples – Define conditions of equilibrium – Give an example of a moving body which is in equilibrium – What is the difference between stable and neutral equilibrium? – What is the difference between action and reaction? – What is soil erosion? – What is meant by power? Write down unit – Define power and write its formula – What is meant by thermometric substance? – How is precision related to the significant figures in a measured quantity? – Define watt – Define work and write its equation and on what factors does work depend upon? – Determine volume of an irregular shaped object using a measuring cylinder – In What pan we place the object of a Physical balance – Differentiate between electronic balance and physical balance – Differentiate between mechanical stop watch and digital stop watch – Differentiate between sound energy and mechanical energy – What is difference between like and unlike parallel forces? – Does spirit and water evaporate at the same rate? – Explain measuring tape – taleem-e-pakistan.com Write some important features of kinetic molecular model of matter taleem e pakistan dot com– Explain the behavior of solids on the basis of kinetic molecular model of matter – Explain the impact of greenhouse effect in global warming – What do you know about global positioning system? – What is difference between rigid body and axis of rotation? – What is meant by convection currents – Give the relationship for volume expansion of liquid – What is meant by non-renewable sources of light? – What is meant by multiples and sub-multiples? – Define thermometer and What is meant by lower and upper fixed points in a thermometer? – Why fossils fuels are called non-renewable form of energy – Define lever balance – Write a principle of moments – What did you mean by line of Action of a force and moment Arm? – Write down the difference between negative and positive acceleration – What is the effect of mass of a freely falling body on the gravitational acceleration? – Define centripetal acceleration – Define efficiency – How can you find the efficiency of a system? – How head to tail rule helps to find the resultant of forces – How many ways of transfer of heart – On what factors pressure of a liquid depends – On what factors rate of emission and absorption of heat from a body depends – Sate the principle of floatation – Wet clothes dry up quickly when spread. Why – What are free electrons? – What are insulators? Give examples – What do you know about variable velocity? – What do you mean by distance and displacement? – What do you mean by the pitch of Screw Guage – What is a plumb line? What is the use of it – What is dynamics – What is meant by absolute zero? – What is an acid meter? – What is meant by infrared and ultraviolet? – What is meant by elasticity – What is meant by elastic limit? – What is meant by centrifuge? – What is meant by anomalous expanse ion of water? – www.taleem-e-pakistan.com Write down the importance of evaporation – What do you mean thermal conductivity or rate flow of heat? – What is the effect of length of the solid on thermal conductivity? – Write equation for heat thermal conductivity – Write four examples of vectors – Describe the navigation system. – Write four types of Physics. – Write the names of any four forms of energy – Define mechanical energy and give two examples – Define potential energy and write it formula – Explain mass energy equation – Can we use a hydrometer to measure the density of milk – Define atomic physics and nuclear physics – Define speed with help of example and formula – Write down the equation of Einstein and value of C – Differentiate between speed and velocity – What is difference between axis of rotation and point of rotation? – Define axis of rotation of a body – Find the magnitude of x-components F, of the force ‘F’ acting parallel to y-axis – Define rest and motion – Define Brownian motion – What are the parameters of equations of motion? – How does heating affect the motion of molecules of a gas? – Define vibratory motion with two examples – What is difference between centre of mass and centre of gravity? – What is Bio Mass? – Define mass of earth. How the mass of Earth can be determined – Differentiate between mass and weight – What is chemical energy? How do we use chemical energy in different forms? – What do you mean by inter conversion of energy – How mechanical energy change into heat energy? – Name the five devices that convert electrical energy into mechanical energy – Differentiate between non-renewable and renewable sources of energy taleem-e-pakistan.com – Define Kinetic energy and write equation – Define electric energy with two examples – Define coefficient of thermal conductivity and linear expansion – Define conductors. Give example – Define Fahrenheit scale and Kelvin scale – Define heat capacity – What is Hook’s law? What is meant by elastic limit? – Why is not advisable to wear dark colours in summer? – Define Joule – Define latent heat of vaporization and fusion – What is least count of vernier calipers? How can it be calculated? – What is meant by least count of any instrument? – Define lower and upper fixed points – Define physical quantities – What are scalars? Write two scalar quantities. – Define radiation and also describe relation of radiation of heat and surface area – Define Solar Cells – Write a note on solar house heating system – Can a body moving at a constant speed have acceleration? – What would be the shape of speed-time graph of a body moving with variable speed? – Define tensile strain. Why it has no unit – Differentiate between stress and strain? – Define thermal expansion – What are factors on which linear thermal expansion depends? – – What are thermals? How gliders use thermals to stay in air – Define torque and also write its unit – Differentiate between torque and couple. – Define derived quantities and write the name of two derived quantities – Write the names of four derived units – What is the effect of temperature on evaporation? – How temperature determines the direction of flow of heat – Define the terms heat and temperature – Write the scales of a temperature – What is the direction of motion of the body moving in a circle? – Define momentum and write the formula – How can you relate a force with the change of momentum of a body? – What is the law of Inertia? – What is the principle of flight of rockets and jet engines? – What is the used of meter rod – What is translatory motion? Give two examples – What is up thrust? Give an example – What is using of clinical thermometer write its range? – What is velocity of Geo-Stationery relative to earth? – What is height and speed of Geo Stationary Satellite from the surface of the earth? – What k meant by rest and motion – What make a sucker pressed on a smooth wall sticks to it – What is SI unit of Power? Define it – www.taleem-e-pakistan.com Define and explain what role SI units have played h the development of Science – What will be the tension in a rope that is pulled from its ends by two opposite forces 100 N Each? – When distance time graph is a straight line, what information does it provide? – When does a force work? Explain – Define variable speed and uniform speed – Where is the centre of gravity of uniform square and uniform triangular sheets? – Why are sauce-pans made of metals? – Why do large numbers of slots are made in radiators – What is stop watch and how it is useful in measuring short interval of time – Why does a piece of stone sink in water but a ship with a huge weight floats? – Atmospheric pressure and how to measure it – What is atmospheric pressure? Explain. Why it decreases as we go up – Define mechanics – Define kinematics – Define perpendicular components – Why water is not suitable to be used in a barometer?
Guess Paper of Physics 9th Class Important Long Questions
Topic # 1: As soon as the hot solid is put in the cold water, it reaches the maximum temperature quickly. Give a reason for this.
Topic # 2: Define and explain Newton’s second law of motion.
Topic # 3: Define centripetal force and prove it
Topic # 4: Identify and explain limitations of measuring instruments such as meter rule.
Topic # 5: What are prefixes? Give some examples measurements in which prefixes are used to express them
Topic # 6: Define translator motion. Also state its types
Topic # 7: Define thermal kinetics with the help of formulas and also write kinetic molecular model for solids, liquids and gases.
Topic # 8: How many mass measuring balance is use? And write the name of mass measuring instrument
Topic # 9: Derive the first and second equation of motion for uniformly accelerated rectilinear motion
Topic # 10: Define rotator motion. Give examples
Topic # 11: Describe an experiment to find the centre of gravity of an irregular shaped thin lamina
Topic # 12: Describe how a vector quantity is represented? Explain with examples
Topic # 13: Describe some practical applications force in our daily life
Topic # 14: Describe the processes involved to produce energy from fossil fuels
Topic # 15: Determine the mass of using Newton’s law of gravitation
Topic # 16: How can you find the high temperature of a metal piece of known mass and known specific heat by the method of mixture? – If the same amount of heat is transferred to an equal mass of water and lead metal which substance will be hotter? – www.taleem-e-pakistan.com – What are the factors on which rate of flow of heat depends? – What is the importance of large specific heat capacity of water?
Topic # 17: Determine the orbital speed of artificial satellites
Topic # 18: Explain the changes in weather due to the variation in atmosphere pressure
Topic # 19: Explain vernier constant?
Topic # 20: Define rate of flow of heat Derive the relation for thermal conductivity of a solid. – What is thermal conductivity? On what factors rate of flow of heat depends upon? Explain.
Topic # 21: State and demonstrate Pascal’s law
Topic # 22: On which principle Hydraulic press works? Explain the working of Hydraulic press.
Topic # 23: How various surfaces can be comparing by a Leslie cube? Explain it.
Topic # 24: How many types of thermal volume expansion are? Explain
Topic # 25: How many scales of temperature are Unique there in use?
Topic # 26: How many are the types of motion. Explain in detail
Topic # 27: How is precision related to the significant figures in a measured quantity
Topic # 28: What is a greenhouse? www.taleem-e-pakistan.com How does the temperature in a greenhouse can be maintained? How Green house effect is produced in nature
Topic # 29: How different sources of energy are harmful to environment also explain to prevent these hazards?
Topic # 30: How convention current in air forms land and sea breezes and also help in gliding of gliders and birds?
Topic # 31: How can a hot air balloon carrying a lot of load rise in the air?
Topic # 32: What is a stop watch? Write its types and give least count of each of them? Describe the method of use of stop watch
Topic # 33: What is centrifugal force? Explain
Topic # 34: What is a screw gauge? Give its construction and working.
Topic # 35: How Galileo proved that the acceleration of free falling bodies is the same?
Topic # 36: How can you find centre of gravity of irregular shaped body? Explain it with experiment
Topic # 37: What is meant by scientific notation? Explain with examples
Topic # 38: What is mercury barometer? Describe its construction and working.
Topic # 39: What is density? How to measure density
Topic # 40: What is plasma? How it from is formed? Give some examples?
Topic # 41: What are artificial satellites? Also find its speed at height ‘h’revolving around the earth.
Topic # 42: How much would be the volume of ice formed by freezing I litre of water?
Topic # 43: On what factors emission and absorption of radiation depends. – www.taleem-e-pakistan.com – What are the consequences and applications of radiation?
Topic # 44: Explain the method to measure the atmospheric pressure
Topic # 45: What do you know about young’s modules? How would you determine young’s modules of an object?
Topic # 46: State and explain the secure condition for equilibrium
Topic # 47: State and explain Resolution of Forces in its rectangular components
Topic # 48: State Archimedes Principle. Derive its mathematical relation
Topic # 49: Difference between scalar and vector quantities
Topic # 50: What causes a glider to remain in air?
Topic # 51: Write a note on meter rule.
Topic # 52: Why is polystyrene cup used in this experiment instead of a metallic calorimeter?
Topic # 53: Define momentum. Mathematically prove the relation between force and momentum. – State and explain law of conservation of momentum and its importance.
Guess Paper of Physics 9th Class Important Numericals Questions
How much time is required to change 22 NS momentum by a force of 20 N? – The mass of 200 cm3 of stone is 500 g, find its density – In a right angled triangle length of base is 4 cm and its perpendicular is 3 cm. Find its hypotenuse – The density of air is 1.3Kgm-3.Find the mass of air in a room measuring 8m x 5m x 4m. – The steering of a car has a radius 16 cm. Find the torque produced by a couple of 50 N – How much ice will melt by 50000 J of heat? Latent heat of fusion office=336000 Jkg-1 (150g) taleem-e-pakistan.com – A polar satellite is launched at 850 km above earth. Find the orbital speed – How much heat is required to increase the temperature of 0.5 kg off water from 10°C to 65°C? – Find the perpendicular components of a force of 50N making an angle of 30° with x-axis – Find the magnitude and direction of a force whose x- component is 12N and y-component is 5N – Convert 50°C on Celsius scale into Fahrenheit temperature scale – What will be temperature on kelvin scale of temperature when it is 20°C on celsius scale? – Calculate the power of pump which can lift 200 kg of water through a height of 6m in 10 seconds. – A wooden cube of sides 10cm each has been dipped completely in water. Calculate the up thrust of water acting on it – A sprinter completes its 100 metre race in 12s. Find its average speed. – A screw gauge has 50 divisions on its circular scale. The pitch of the screw gauge is 0.5mm. What is its least count? – A man pulls a block with a force of 300 N through 50 m in 60 s. Find the power used him to pull the block. – A man is pulling a trolley on a horizontal road with a force of 200 Newton making 30° with the road. Find horizontal and vertical components of its force – A container has 2.5 liters of water at 20°C. taleem e pakistan dot comHow much heat is required to boil the water? – A communication satellite is launched at 42000 km above Earth. Find it orbital speed. – A chocolate wrapper is 6.7 cm long and 5.4 cm wide. Calculate its area up to reasonable number of significant figures. – A car starts from rest. Its velocity becomes 20 ms-1 in 8 s. Find its acceleration – A 50kg man moved 25 steps up in 20 seconds. Find his power each step is 16cm high
Physics Guess Paper 9th Class 2016
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