Light - Study Mode
[#381] The mirror, which is used in searchlights, is
Correct Answer
(A) Concave mirror
[#382] The wavelength extension of visible light is
Correct Answer
(D) Between 390 - 780 nm
[#383] Which of the following is an example of scattering of light?
Correct Answer
(A) Blue colour of the sky
[#384] The minimum distance of clear vision for a normal healthy eye of human being is supposed to be
Correct Answer
(D) 25 cm
[#385] Which one of the following reflects back more sunlight as compared to other three?
Correct Answer
(B) Land covered with fresh snow