Physics MCQs / Q&A

The source of tidal energy is____________________? A. sun B. earth C. both A and B D. moon (Correct)

Transuranic elements have an atomic number_______________? A. Greater than 72 B. Greater than 82 C. Greater than 92 (Correct) D. Greater than 102

The SI unit of force constant is identical with that of__________________? A. Force B. Pressure C. Surface tension (Correct) D. Loudness

How many main frontiers of fundamental science ? A. 1 B. 2 C. 3 (Correct) D. 4

Unit of power of a lens is________________? A. meter B. watt C. diopter (Correct) D. horsepower

Errors in the transmission of power through optic fiber can be minimized by using a______________? A. Multimode index fiber B. Graded index fiber (Correct) C. Single mode step index fiber D. Copper wire

When two protons are brought together_____________________? A. Kinetic energy increases B. P.E. between them increases (Correct) C. P.E. between them decreases D. P.E. between tem does not change

In the capacitive circuit the current___________________? A. Lags behind voltage by π/2 B. Is in phase with voltage C. Opposite in phase of voltage by π D. Leads forward the voltage by π/2 (Correct)

In Young double slit experiment, if white light is used____________________? A. alternate dark and bright fringes will be seen B. coloured fringes will be seen (Correct) C. no interference fringes will be seen D. impossible to…

Blood vessels are______________? A. Rigid B. Not rigid (Correct) C. Of glass D. Of rubber