MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Radiowaves

Q.Consider th...

Question

Q.Consider the following statements:
Which of the above statements is/are correct?

A

1 only

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

2 only

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

C

Both 1 and 2

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

Neither 1 nor 2

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

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.

Suggest Corrections

thumbs-up

2

Similar questions

Q. Consider the following statements:

Which of the above statements is/are correct?

1 only
2 only
Both 1 and 2
Neither 1 nor 2

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)

Q. The waves which are reflected back to the earth by ionosphere is.

Q. Consider the following statements:
(1) The Earth receives the Sun's energy at the infrared end of the Spectrum.
(2) The Earth re-radiates the Sun's heat as ultraviolet energy.
Which of the statements given above is/are correct?

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Radio waves

PHYSICS

Watch in App

explore_more_icon

Explore more

Standard X Physics

Join BYJU'S Learning Program

CrossIcon