General Knowledge : : Physics Questions & Answers
- Fat can be separated from milk in a cream separator because of:
A. Cohesive Force
B. Gravitational Force
C. Centripetal Force
D. Centrifugal Force
- Water is used in hot water bags because?
A. It is easily available
B. It has high specific gravity
C. It has high specific heat
D. It is a liquid substance
- The instrument used for measuring humidity in air is:
A. Anemometer
B. Hygrometer
C. Thermometer
D. Pyrheliometer
- The change of a solid into vapour directly is called:
A. Vaporization
B. Freezing
C. Melting
D. Sublimation
- Which of the following electromagnetic waves has the longest wavelength?
A. Infrared Rays
B. Gamma Rays
C. Light Rays
D. Ultraviolet Rays