Human Eye & The Colourful World - 04
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Q.1. The twinkling of stars is due to atmospheric : *
1 point
Q.2. The atmospheric refraction of light causes the twinkling of : *
1 point
Q.3. The stars appear higher in the sky than they actually are, due to : *
1 point
Q.4. The stars twinkle but the planets do not twinkle at night because : *
1 point
Q.5. As light from a far off star comes down towards the earth : *
1 point
Q.6. We can see the sun before the actual sunrise by about : *
1 point
Q.7. Due to atmospheric refraction of sunlight, the time from sunrise to sunset is lengthened by about : *
1 point
Q.8. The day is longer on the earth by about 4 minutes because : *
1 point
Q.9. The blue colour of sky is due to : *
1 point
Q.10. The red colour of the sun at the time of sunrise and sunset is because : *
1 point
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