General Knowledge : : Physics Questions & Answers

  1. A device used for converting a.c. into d.c. is called?

A. Transformer

B. Rectifier

C. Dynamo

D. Induction coil

  1. Solar cells work on the principle of ?

A. Photovoltaic effect

B. Photoelectric effect

C. Photoconductive effect

D. Photosynthesis

  1. In the analysis of projectile motion, it is assumed that effect of air resistance is?

A. Negligible

B. Considerable

C. Important

D. All

  1. The projectile motion and circular motion are good example of?

A. Two dimensional motion

B. Three dimensional motion

C. One dimensional motion

D. All

  1. Which among the following has the highest energy?

A. Blue light

B. Green light

C. Red light

D. Yellow light