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ENVIRONMENTAL STUDIES
Which of the following has maximum speed...

Which of the following has maximum speed?

A

Air

B

Water Current

C

Sound

D

Light

Text Solution

Verified by Experts

The correct Answer is:
D
Speed of light is `3 xx 10^(8)m//s` approx or 299,792,458. It is commonly denoted as .c. is a universal physical constant Important in many areas of physics.
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ARIHANT PUBLICATION PUNJAB-SOLVED PAPER 2018-Section D - Environmental Studies
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  6. In which one of the following sound travels fast?

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  8. The science that deals with the relationship of various organisms with...

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  9. 'World Environmental Day is celebrated every year on

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  10. How will you explain the meaning of Eutrophication to your students in...

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  11. Which atmospheric layer is closest to the Earth's surface?

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  12. Which of the following is a biotic component of an ecosystem?

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  13. The natural disastrous events like volcanoes, earthquakes, cyclones, b...

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  14. During the month of November in 2017, there was Smog in the environmen...

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  15. Decreased soil fertility through rapid leaching of the essential miner...

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  16. Which one of the following is the causal organism of Cholera and Typho...

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  17. Liquefied petroleum gas is a mixture of

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  18. You are teaching your students about renewable and non-renewable sourc...

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  19. You are to advice the organisers of a religious place about the sound ...

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  20. World 'Ozone day' is being celebrated every year on

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