Light - Study Mode
[#481] LEDs and CFLs are replacing ordinary bulbs for illumination due to
Correct Answer
(A) energy efficiency
[#482] Rajat has hypermetropia. What type of lens will the ophthalmologist recommend to correct his vision?
Correct Answer
(D) Convex
[#483] Golden view of sea shell is due to
Correct Answer
(A) diffraction
[#484] The Sun and the Moon appear elliptical near the horizon because of
Correct Answer
(A) Refraction
[#485] When a mirror is rotated by an angle θ, the reflected ray will rotate by
Correct Answer
(D) 2θ