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This is something my friend sent me claiming he proved using basics that speed of light is independent of frame of reference of observer.............

Just comment what all are his faults........
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15/07/2017
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Can u please clear my wrong concepts
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Could someone explain what is cosmic natural selection? Thanks in advance.

Why a rainbow is always formed in an arc ?

Do particles undergo changes in their chemical nature, due to temperature or pressure?

can we absorb sound energy and then convert it to electrical energy

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Dies Stephen hawking is mist intelligent scientist among living(Non dead) persons today?
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47%
Yes
53%
No

How to create a varying electric field ???

I have a doubt. Whether the Blackbody Radiation depends only on temperature or on both temperature and wavelength?

Hi everyone
Recently I came to know that earth rotation is accelerating. Actually I have no idea why earth rotation is accelerating.
Can anyone explain me why earth rotation is accelerating.
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