Q11. Reading of a barometer going down is an indication of
[A] Intense heat
[B] Snow
[C] Storm
[D] Rainfall
Q12. Blotting paper absorbs ink due to
[A] Viscosity of ink
[B] Capillary action phenomenon
[C] Siphon action
[D] Diffusion of ink through the blotting
Q13. The rate of change of linear momentum of a body falling freely under gravity is equal to it’s
[A] Weight
[B] Potential Energy
[C] Impulse
[D] Kinetic Energy
Q14. Brightness of bulb depends on voltage or current?
[A] Voltage
[B] Current
[C] Both A & B
[D] None
500+ Physics Quiz Questions and Answers
Q15. Sound is produced by _____________ objects.
[A] uniform
[B] vibrating
[C] perpetual
[D] stable
Q16. Compressions and rarefactions are due to variability of:
[A] ray refraction
[B] air pressure
[C] temperature difference
[D] magnetic difference
Q17. Any body kept in a fluid experiences an upward force called __________
[A] upthrust
[B] pressure
[C] torque
[D] moment
Q18. An air bubble in water will act like a
[A] convex mirror
[B] concave lens
[C] concave mirror
[D] convex lens
Q19. Which is best used as a sound absorbing material in partition walls ?
[A] Glass – wool
[B] Glass pieces
[C] Steel
[D] Stone chips
Q20. Optical fiber works on the principle of
[A] interference
[B] total internal reflection
[C] refraction
[D] Scattering
