General Knowledge : : Physics Questions & Answers
- Pure water freezes at what temperature?
A. 32 °F
B. 47 °F
C. 0 °F
D. 19 °F
- When two bodies stick together after the collision, then the collision is said to be:
A. Partially elastic
B. Perfectly elastic
C. Completely inelastic
D. None
- The total energy of a particle vibrating in SHM is proportional to the square of its
A. Acceleration
B. Velocity
C. Amplitude
D. None
- An air bubble in water will act like a:
A. Convex Lens
B. Convex Mirror
C. Concave Lens
D. Concave Mirror
- Optical fibre works on the principle of:
A. Total internal reflection
B. Refraction
C. Scattering
D. Interference