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Atmospheric Refraction, Class 10 Science NCERT Solutions

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1. There will be total 10 MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying

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1. Stars appear to be higher in the sky than actually they are because of

Question 1 of 10

2. The cold air layers of the atmosphere behave as optically

Question 2 of 10

3. How much time from sunrise to sunset is lengthened because of atmospheric refraction?

Question 3 of 10

4. Sun appears to be risen before the actual sun rise because of

 

 

 

Question 4 of 10

5. The sun can be seen before the actual sunrise by about

Question 5 of 10

6. By how much time is the sunset delayed due to atmospheric refraction?

Question 6 of 10

7. To an observer on Earth the stars appear to twinkle. This is due to

Question 7 of 10

8. Why does Sun appear slightly oval shaped at morning and evening?

Question 8 of 10

9. Deviation of light as it passes through the atmosphere due to variation in air density is called

Question 9 of 10

10. When light rays from stars enter into earth's atmosphere, it travels from

Question 10 of 10

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