Saturday , 15 May 2021

# 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.

## Latest Important Questions for 2017

#### 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.
A car weighing 12 KM has speed of 20ms. Find its kinetic energy.

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

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1. Guess 9th class physics 2016

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