Light - Study Mode
[#171] The number of images of an object placed between two parallel mirrors is
Correct Answer
(D) Infinite
[#172] Daltonism (Protanopia) is the form of colour blindness in which the patient cannot see
Correct Answer
(D) All of these
[#173] A ray of light goes from water to glass. Its-
Correct Answer
(C) slow down a towards the normal
[#174] Assertion (A): In the visible spectrum of light, red light is more energetic than green light. Reason (R): The wavelength of red light is more than that of green light.
Correct Answer
(D) (A) is false, but (R) is true
[#175] A periscope works on the principle of
Correct Answer
(D) reflection