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Radiowaves

Q. Consider t...

Question

Q. Consider the following statements:

Which of the above statements is/are correct?

A

1 only

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B

2 only

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C

Both 1 and 2

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D

Neither 1 nor 2

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Solution

The correct option is B
2 only
Explanation:

Statement 1 is incorrect: Earth receives short-wavelength solar rays and radiates long wavelengths.

Statement 2 is correct: Radio waves transmitted from the earth are reflected back to the earth by the Ionosphere.

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1.

Thermal radiation are electromagnetic waves.

2.

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3.

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4.

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