Light - Study Mode

[#411] Which of these devices uses only convex lenses?
Correct Answer

(C) microscope

[#412] A cut diamond shines brilliantly due to
Correct Answer

(B) Total internal reflection

[#413] Total internal reflection cannot take place when light goes from
Correct Answer

(B) water to glass

[#414] Sky is blue because
Correct Answer

(B) Short waves are scattered more than long waves by atmosphere

[#415] How is the refractive index of a substance related to the speed of light in air?
Correct Answer

(D) Refractive index = speed of light in air/speed of light in matter