Light - Study Mode
[#456] The splitting of different colours of light in a prism is
Correct Answer
(B) Dispersion of light
[#457] The twinkling of stars at night is caused by . . . . . . . .
Correct Answer
(A) Atmospheric refraction
[#458] In the mirror formula, what does 'v' indicates?
Correct Answer
(A) Image distance
[#459] If the power of a corrective lens is + 2.0D, then it is a-
Correct Answer
(A) convex lens
[#460] The gas used in discharge tubes for optical decoration and advertising is
Correct Answer
(D) Neon