Light - Study Mode
[#276] The diameter of the reflecting surface of a spherical mirror is called a/an-
Correct Answer
(A) aperture
[#277] The blue colour of water in the sea is due to
Correct Answer
(A) absorption of other colours except blue by water molecules
[#278] What is the reason behind the extraordinary shining of the diamond cuts in a proper way?
Correct Answer
(B) Because it has a higher refractive index
[#279] In a concave mirror if object is placed at centre of curvature then image will be . . . . . . . .
Correct Answer
(D) at the centre of curvature
[#280] Which type of lens is required for correcting the vision of a person with myopia?
Correct Answer
(A) Virtual and large size