Subject :NSO Class : Class 8
A parallel beam of light is incident on a converging lens parallel to its principal axis. As one moves the source of light away from the lens on its principal axis, the intensity of light
A Remains constant
B Continuously increases
C Continuously decreases
D First increases than decreases.
Ans 1:
Class : Class 8
Answer is A
Ans 2:
Class : Class 5
The beam is parallel, so the light should not show any change whether it is near or away.
Ans 3:
Class : Class 8
SOF has given c as correct option in its own contentPlz verify and check...
Ans 4:
Class : Class 8
Ans 5:
Class : Class 8
correct answer is c