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Mention any four phenomena that can be o...

Mention any four phenomena that can be observed due to atmospheric refraction of light on the earth.

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The sun is visible to us two minulcs before the ctual sunn rise.
Thc sun is visible to us Iwo iutes after the actual sunsct also.
The apparent position of the star is slightly different from its actual position.
Twinkling of star
Formalion of rainbow
The apparent random wavering or flickering of objects seen through a turbulent stream of hot air rising above a fire or a radiator.
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CPC CAMBRIDGE PUBLICATION-MARCH - 2019 QUESTION PAPER - 10-QUESTIONS
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  8. What is disporsion of light? Mention the colour that bonds the least a...

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  9. Mention any four phenomena that can be observed due to atmospheric ref...

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  10. Draw the ray diagram for the image formation in a conves lens when an ...

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  11. (i) Write the differences between saturated and unsaturated hydrocarbo...

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  12. (i) Carbon atom does not form C^(4-) anion and C^(4+) cation. Why ? ...

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  15. (i) Write the advantages of solar cells. (ii) Write any two hazards ...

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  16. Observe the given table and answer the following question : Ident...

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  17. (i) How does overload and short-circuit occur in an electric circui...

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