Friday , 28 November 2014

Physics Short Questions Guess Paper 9th Class 2014

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Physics Short Questions Guess Paper 9th Class 2014

  • Can we use a hydrometer to measure the density of milk
  • Define and explain the term Strain
  • Define atomic physics and nuclear physics
  • Define axis of rotation of a body
  • Define centre of gravity
  • Define centre of mass
  • Define centripetal acceleration
  • Define chemical energy
  • Define coefficient of linear expansion
  • Define coefficient of thermal conductivity
  • Define conductors. Give example
  • Define Convection
  • Define Density
  • Define density. What is its SI UNIT?
  • Define derived quantities and write the name of two derived quantities
  • Define electric energy with two examples
  • Define equilibrium. Explain with examples
  • Define evaporation
  • Define Fahrenheit scale and Kelvin scale
  • Define force in term of momentum
  • Define gravitational field
  • Define heat capacity
  • Define Hooks’ law and write its equation
  • Define Joule
  • Define Kinetic energy and write equation
  • Define Latent heat of fusion
  • Define latent heat of vaporization
  • Define least count
  • Define lower and upper fixed points
  • Define mass of earth
  • Define mechanical energy and give two examples
  • Define motion with an example
  • Define Neutral Equilibrium
  • Define plasma
  • Define potential energy and write it formula
  • Define radiation
  • Define resolution of forces and its rectangular components
  • Define rest and motion
  • Define Resultant vector
  • Define Rigid Body
  • Define scalars and vectors. How vectors can be represented graphically?
  • Define second condition of equilibrium
  • Define Solar Cells
  • Define specific heat. In which units it is measured
  • Define static friction
  • Define strain and write its equation
  • Define Stress
  • Define tensile strain. Why it has no, unit
  • Define the term heat
  • Define the terms heat and temperature
  • Define thermal expansion
  • Define thermometer
  • Define torque and write its unit
  • Define translator motion
  • Define two types of motion
  • Define uniform speeds
  • Define vector and write the name of two vector quantities
  • Define vibratory motion with two examples
  • Define work and write its equation
  • Derive mathematical relation for 2″ law of motion
  • Describe Fahrenheit scale
  • Describe relation of radiation of heat and surface area
  • Describe two ways to reduce friction
  • Determine volume of an irregular shaped object using a measuring cylinder
  • Differentiate between electronic balance and physical balance
  • Differentiate between mass and weight
  • Differentiate between mechanical stop watch and digital stop watch
  • Differentiate between non-renewable and renewable sources of energy
  • Differentiate between positive and negative acceleration
  • Differentiate between rest and motion
  • Differentiate between speed and velocity
  • Differentiate between transitory
  • Does spirit and water evaporate at the same rate?
  • Explain briefly measuring tape
  • Explain Head-to-tail rule for addition of vector/forces
  • Explain mass energy equation
  • Explain the behavior of solids on the basis of kinetic molecular model of matter
  • Explain the impact of green house effect in global warming
  • Explain the impact of greenhouse effect in global warming
  • Find the magnitude of x-components F, of the force ‘F’ acting parallel to y-axis
  • Give an example of a moving body which is in equilibrium
  • Give some examples of convection
  • Give the relationship for volume expansion of liquid
  • How can .Ave find the magnitude of a vector from rectangular components?
  • How can we find mass of moon?
  • How can you find the efficiency of a system?
  • How can you relate a force with the change of momentum of a body?
  • How can you say that gravitational force is a field force?
  • How head-to-tail rule helps to find the resultant of forces
  • How is a vector represented?
  • How is precision related to the significant figures in a measured quantity?
  • How many mass measuring balance is use?
  • How many ways of transfer of heart
  • How temperature determines the direction of flow of heat
  • How the mass of Earth can be determined
  • How value of “g” can be finding
  • How various surfaces can be compared by a Leslie Cube?
  • How will you find out that mass of a body remain uniform very here
  • Identify and explain limitations of measuring instruments such as meter rule
  • In What pan we place the object of a Physical balance
  • Name five prefixes most commonly used
  • Name the five devices that convert electrical energy into mechanical energy
  • Normal human body temperature is 98.6°F. Convert it into Celsius scale and Kelvin scale
  • Now Newton’s law of gravitation helps it understanding the motion of satellite
  • On what factors does work depend upon?
  • On what factors pressure of a liquid depends
  • On what factors rate of emission and absorption of heat from a body depends
  • On what factors the orbital speed of a satellite depends
  • Sate the principle of floatation
  • State Archimedes principal
  • State law of inertia
  • State second law of motion
  • State the law of conservation of momentum. Explain with examples
  • Upon what factors the orbital speed of a satellite depend
  • Wet clothes dry up quickly when spread. Why
  • What are artificial satellites?
  • What are factors on which linear thermal expansion depends?
  • What are free electrons?
  • What are insulators? Give examples
  • What are prefixes? Give some examples measurements in which prefixes are used to express them
  • What are the applications of Pascal’s law?
  • What are the parameters of equations of motion?
  • What are thermals? How gliders use thermals to stay in air
  • What are various forms of energy?
  • What causes a glider to remain in air?
  • What did you mean by line of Action of a force and moment Arm?
  • What do you know about global positioning system?
  • What do you know about momentum?
  • What do you know about variable velocity?
  • What do you mean by ‘resolution of vectors?
  • What do you mean by distance and displacement?
  • What do you mean by inter conversion of energy
  • What do you mean by linear expansion?
  • What do you mean by neutral equilibrium?
  • What do you mean by resultant forces?
  • What do you mean by the pitch of Screw Guage
  • What do you mean thermal conductivity or rate flow of heat?
  • What does it happen the atmospheric pressure at a place falls suddenly
  • What is a “Barometer?”
  • What is a field force?
  • What is a greenhouse?
  • What is a measuring cylinder?
  • What is a plumb line? What is the use of it
  • What is a satellite?
  • What is absolute zero
  • What is an acid meter?
  • What is atmospheric pressure? Explain. Why it decreases as we go up
  • What is Bio Mass?
  • What is centripetal force?
  • What is chemical energy? How do we use chemical energy in different forms?
  • What is coefficient of friction?
  • What is difference between axis of rotation and point of rotation?
  • What is gravitational acceleration?
  • What is head to tail rule
  • What is heat capacity?
  • What is Hook’s law? What is meant by elastic limit?
  • What is least count of vernier calipers? How can it be calculated?
  • What is meant by absolute zero?
  • What is meant by anomalous expanse ion of water?
  • What is meant by centrifuge?
  • What is meant by convection currents
  • What is meant by elastic limit?
  • What is meant by infrared and ultraviolet?
  • What is meant by land breeze?
  • What is meant by least count of any instrument?
  • What is meant by lower and upper fixed points in a thermometer?
  • What is meant by multiples and sub-multiples?
  • What is meant by non-renewable sources of light?
  • What is meant by power? Write down unit
  • What is meant by scientific notation? Give examples
  • What is meant by significant figures of a measurement?
  • What is meant by thermometric substance?
  • What is power?
  • What is rigid body?
  • What is soil erosion?
  • What is stop watch and how it is useful in measuring short interval of time
  • What is the difference between Action and Reaction?
  • What is the difference between sliding friction and rolling friction?
  • What is the direction of motion of the body moving in a circle?
  • What is the effect of length of the solid on thermal conductivity?
  • What is the effect of mass of a freely falling body on the gravitational acceleration?
  • What is the effect of temperature on evaporation?
  • What is the importance of law of conservation of momentum?
  • 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 thermal conductivity?
  • What is unit of power? Also define that unit of power
  • What is up thrust? Give an example
  • What is using of clinical thermometer write its range?
  • What is velocity of Ceo-Stationery relative to earth?
  • What k meant by rest and motion
  • What make a sucker pressed on a smooth wall sticks to it
  • What role SI units have played h the development of Science
  • What will be the temperature on Kelvin scale of temperature when it is 20°C on Celsius Scale?
  • 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
  • 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
  • Why do we need to measure extremely small intervals of time?
  • Why does a piece of stone sink in water but a ship with a huge weight floats?
  • Why does atmospheric pressure vary with height?
  • Why fossil fuels are called non – reins able form of energy
  • Why gaps are left in railway tracks
  • Why is the use of Correction necessary in a measuring instrument?
  • Why is the use of zero error necessary in a measuring Instrument?
  • Why is the value of ‘g’ different at different places?
  • Why law of gravitation is important for us
  • Why moon is called Natural Satellite
  • Why rolling friction is less than sliding friction
  • Why the base of a vehicle is made wide
  • Why the height of vehicles is kept as low as possible
  • Why the recoil of the gun is smaller than the velocity of the bullet
  • Why vector quantities cannot be added and subtracted like scalar quantities
  • With what force an apple weighing in attracts the earth
  • Write a note on a lever balance
  • Write a note on Hydraulic brake
  • Write a principle of moments
  • Write down advantages of Friction
  • Write down some main forms of energy
  • Write down the difference between negative and positive acceleration
  • Write down the importance of evaporation
  • Write equation for heat thermal conductivity
  • Write four examples of vectors
  • Write methods of reducing force of friction
  • Write note on Banking of roads
  • Write the advantage of banking of the road
  • Write the names of any four forms of energy
  • Write the names of four derived units
  • Write the numbers given below in scientific notation
  • Write the scales of a temperature
  • Write two advantages and two disadvantages of friction
  • Write two methods to reduce friction
Physics Short Questions Guess Paper 9th Class 2014 Can we use a hydrometer to measure the density of milk Define and explain the term Strain Define atomic physics and nuclear physics Define axis of rotation of a body Define centre of gravity Define centre of mass Define centripetal acceleration Define chemical energy Define coefficient of linear expansion Define coefficient of thermal conductivity Define conductors. Give example Define Convection Define Density Define density. What is its SI UNIT? Define derived quantities and write the name of two derived quantities Define electric energy with two examples Define equilibrium. Explain with examples Define…

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  1. Nice for our education:-)O:-):-):-):-):-)

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