Physics General Science Test Hard Mode

Sr. #	Questions	Answers Choice
1	The twinkling of stars is due to	The fact that stars do not emit light continuously The refractive index of the earth's atmosphere fluctuate Intermittent absorption of star light by its own atmosphere None of them
2	A prism splits a beam of white light into its seven constituent colors this is so because	Phase of different colors is different Amplitude of different colors is different Energy of different colors is different Velocity of different colors is different
3	A sun rise or sun set, the sun looks reddish because.	The sun is coldest at these times Of the effects of reflection and refraction The sun is hottest at these times Of the scattering of light
4	One cannot see through fog because	Fog absorbs light The refractive index of fog is infinity Light suffers total reflection at the droplet in a fog Light is scattered by the droplets in fog
5	The distance between node and anti-node is	λ λ/2 λ/4 2λ

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