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Lightning : Characteristics

Which layer o...

Question

Which layer of the atmosphere reflects the radio wave-' towards the earth?

A

Troposphere

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B

Ozonosphere

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C

Ionosphere

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D

Exosphere

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Solution

The correct option is C Ionosphere
Ans. (c)

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Similar questions

Q. Match List I(Layers of Atmosphere) and List II(Characteristics) and select the answer using the code given below:

List I (Layer of Atmosphere)	List II(Characteristics)
(A) Ionosphere	(I) Contains Ozone
(B) Stratosphere	(II) Reflects radio waves
(C) Exosphere	(III) Fall in temperature
(D) Tropsphere	(IV) Extremely low air density

Q. Choose or find odd word:
Thermosphere, Stratosphere, Exosphere, Ionosphere, Troposphere

Q. The layer in the earth's atmosphere which reflects radio waves from the earth thus, helping radio communication is:

Q. Assertion: Long distance radio broadcasts use short wave bands.
Reason: The short waves are absorbed by the Earth but reflected by F layer in the ionosphere. After reflection, they reach the surface of the Earth back only at a large distance from the transmitter.

Q. The maximum frequency of transmitted radio waves above which the radio waves are no longer reflected back by ionosphere is ................. (N = maximum electron density of ionosphere, g = acceleration due to gravity)

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