Light - Study Mode
[#151] The least distance (in cm) of distinct vision in
Correct Answer
(A) 25
[#152] When a strong beam of light is passed through a colloidal solution, the light will
Correct Answer
(A) be scattered
[#153] Statement I Diamond is very bright. Statement II Diamond has very low refractive index.
Correct Answer
(C) Statement I is true, but statement II is false
[#154] A simple magnifying Glass includes:
Correct Answer
(D) Convex lens of short focal length
[#155] Consider the following statements. 1. A fibre is an optical system based upon the basic principle of total internal reflection. 2. In total internal reflection, the angle of incidence should always be greater than critical angle. 3. The critical angle is very low for a light ray coming from diamond to air. Which of the statements given above is/are correct?
Correct Answer
(D) All of these