text: 1.What will happen to the pressure of a gas if its temperature is reduced to -2730C?
  A. It will decrease
  B. it will drop to zero ✅
  C. It will increase
  D. It will remain constant
  2.A saturated vapour pressure of a liquid increases when the?
  A. Temperature of a liquid increases ✅
  B. Volume of the liquid increases
  C. Volume of the liquid decreases
  D. Temperature of the liquid decreases
  3.The instrument used to view stars is the
  A. Prism binoculars
  B. Telescope ✅
  C. Film projector
  4.Which of the following is obtained when a magenta is mixed with green colour?
  C. White ✅
  5.Which of the following electromagnetic waves has the shortest wavelength?
  A. Visible Light
  B. Ultraviolet rays
  C. Infrared rays
  D. Gamma rays ✅
  6. The heat required to raise a mass of a substance through 1K is known as
  A. Specific heat capacity
  B. Specific latent heat of vaporization
  C. Capacity latent heat of fusion
  D. Heat capacity ✅
  7. A manometer is an instrument used for measuring
  A. Relative density of liquid
  B. Pressure in liquids and gases ✅
  D. Atmospheric pressure
  8. The relative density of a liquid is the ratio of the?
  A. Mass of water to the mass of an equal volume of liquid
  B. Upthrust in the liquid to the upthrust in water ✅
  C. Density of water to the density of the liquid
  D. Upthrust in water to the upthrust in the liquid
  9. Dynamo primarily converts?
  A. Mechanical energy into electrical energy ✅
  B. Electrical energy into kinetic energy
  C. Potential energy into kinetic energy
  D. Kinetic energy into potential energy
  10 Which of the following statements is correct about a machine?
  A. Efficiency of a machine is always greater than 1
  B. Efficiency decreases with an increase in friction ✅
  C. Velocity ratio depends on friction
  D. Mechanical advantage increases with an increase in friction
  11.The velocity ratio of an inclined plane where angle of inclination in θ is
  D. 1/sinθ ✅
  Good luck ☑️
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