Light - Study Mode
[#131] An optically plane surface reflects a beam of light as
Correct Answer
(A) a parallel beam in one direction
[#132] Distant objects can be seen with the help of
Correct Answer
(B) telescope
[#133] While watching 3D movies in the theater, we have to wear special glasses because:
Correct Answer
(B) 3D films use special colors which cannot be felt by human eyes
[#134] Brilliance of diamond is due to
Correct Answer
(D) total internal reflection of light
[#135] To remove the defect of long sightedness one uses
Correct Answer
(C) Convex lens