In which of the following devices is the principle of pho...
In which of the following devices is the principle of photoelectric effect not applicable?
close-circuit television camera
burglar alarm
solar cells
periscope
Correct answer is D
No explanation has been provided for this answer.
The graph of pressure (P) against the reciprocal of the volume (I/V) in Boyles's law is a? ...
Ripples on water are similar to light waves in that they both ...
Which of the following statements is NOT true of \(\gamma\)-rays?...
The critical angle for light traveling from a transparent medium to air s measured as 34º. The ...
Which of the following cannot be explained by the molecular theory of matter? ...