Light - Study Mode
[#201] The diamond appears lustrous because of
Correct Answer
(C) Total internal reflection
[#202] Assertion (A): In a motion picture, usually 24 frames are projected every second over the whole length of the film. Reason (R): An image formed on the retina of eye persists for about 0.1s after the removal of the stimulus.
Correct Answer
(C) (A) is true, but (R) is false
[#203] What is the time difference between the actual passing of the sun over the horizon and out being able to see the image of it on earth?
Correct Answer
(D) 2 minute
[#204] When the object is placed at . . . . . . . ., no image will form in the converging lens?
Correct Answer
(A) Focus point
[#205] The magnification of a mirror must be . . . . . . . . for a virtual and erect image-
Correct Answer
(C) positive