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Layers of the Atmosphere

The mesospher...

Question

The mesosphere (literally middle sphere) is the third highest layer in our atmosphere, occupying the region _ km to ___ km above the surface of the Earth.

A

50, 85

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B

50, 80

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C

56, 75

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D

none of these

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Solution

The correct option is B 50, 80
The mesosphere (literally middle sphere) is the third highest layer in our atmosphere, occupying the region 50 km to 80 km above the surface of the Earth, above the troposphere and stratosphere, and below the thermosphere.

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Similar questions

Q. Match List I with List II and select the correct answer using the codes given below.
List I List II
A. Appleton layer 1. Lowest region of the atmosphere up to 7 km of the equator
B. Troposphere 2. The layer of the atmosphere, up to 50 km
C. Stratosphere 3. The layer of atmosphere 250 km above the earth's surface
D. Mesosphere 4. The layer of the atmosphere up to 80 km

Q. The mesosphere is the layer of Earth's atmosphere between 50 kilometers and 85 kilometers above Earth's surface. At a distance of 50 kilometers from Earth's surface, the temperature in the mesosphere is

- 5^{o}

Celsius, and at a distance of 80 kilometers from Earth's surface, the temperature in the mesosphere is

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k^{o}

Celsius, where k is a constant. What is the value of k ?

Q. The ___________ extends upto 50 km.

Q. (a) Assuming the earth to be a sphere of uniform density, calculate the value of acceleration due to gravity at a point (i)

1600

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km below the earth, (b) Also find the rate of variation of acceleration due to gravity above and below the earth's surface. Radius of earth

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g = 9.8 m / s^{2}

Q. Height of Mesosphere above the earth's surface in ( Km)__________.

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