Light - Study Mode
[#391] In a magnifying glass . . . . . . . . lens is used.
Correct Answer
(A) Convex
[#392] The lens of the eye is behind the
Correct Answer
(A) pupil
[#393] Which one of the following combinations of aperture and shutter speed of a camera will allow the maximum exposure?
Correct Answer
(A) f-22, 1/60
[#394] Astronauts see the sky . . . . . . . . from spacecraft.
Correct Answer
(A) black
[#395] When a CD (Compact disc used in audio and video systems) is seen in Sunlight, rainbow-like colours is seen. This can be explained on the basis of the phenomenon of
Correct Answer
(A) Reflection and diffraction