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In this website each webpage contains minimum 10 mcqs and maximum upto 30 mcqs (objective type questions), one liner questions etc.
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Physics MCQs | Objective Type Questions SET-16
Q1. A passenger standing In a bus is thrown outward when the bus takes a sudden turn happens due to
(a) Outward pull on him
(b) Inertia of motion
(c) Change in momentum
(d) Change in acceleration
Ans. : b
Q2.
(a) increases
(b) does not change
(c) decreases
(d) depends on the impurities in the ice
Ans. : c
Q3. Longitudinal waves cannot travel through
(a) Vacuum
(b) Solid
(c) Liquid
(d) Gas
Ans. : a
Q4. Electrostatic precipitator is used to control the pollution of
(a) air
(b) water
(c) noise
(d) thermal
Ans. : a
Q5. The sky appears blue because of
(a) Atmospheric water vapour
(b) Scattering of light
(c) Reflection on sea water
(d) Emission of blue wavelength by the sun
Ans. : b
Q6. Dynamo is a device for converting
(a) Heat energy into electrical energy
(b) Mechanical energy into electrical energy
(c) Magnetic energy into electrical energy
(d) Chemical energy Into electrical energy
Ans. : b
Q7. Oil rises up the wick in a lamp because
(a) Oil is very light
(b) of the diffusion of oil through the wick
(c) of the surface tension phenomenon
(d) of the capillary action phenomenon
Ans. : d
Q8. In the atmosphere ultraviolet rays are absorbed by
(a) Oxygen
(b) Nitrogen
(c) Ozone
(d) Helium
Ans. : a
Q9. An electron microscope gives higher magnification than an optical microscope because:
(a) it uses more powerful lenses
(b) the velocity of electron is smaller than that of visible light
(c) the electrons have more energy than the light particles
(d) the wavelength of elections is smaller as compared to the wavelength of visible light
Ans. : d
Q10. For a body moving with no uniform velocity and uniform acceleration
(a) Displacement Time graph is linear.
(b) Displacement Time graphic is nonlinear
(c) Velocity Time graph is nonlinear
(d) Velocity Time graph is linear
Ans. : b
