Light - Study Mode
[#46] Red + Green + Blue = ?
Correct Answer
(A) White
[#47] The speed of light will be minimum: while passing through
Correct Answer
(A) Glass
[#48] How long does light take to reach the earth from the sun?
Correct Answer
(B) About 8 min
[#49] Which of the following is not caused by atmospheric refraction of light?
Correct Answer
(D) Sun appearing red at sunset
[#50] Which of the following is not a colour created from a combination of two primary colours ?
Correct Answer
(D) Blue