Transverse Nature of Electromagnetic Waves NEET Questions

Physics - Electromagnetic Waves

Transverse Nature of Electromagnetic Waves MCQ Questions


7.
Which of the following statements is true for electromagnetic waves?

NEET - 2015

A.
They are longitudinal waves
B.
They require a medium for propagation
C.
They are transverse waves
D.
They have different speeds in a vacuum
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ANSWER :
C. They are transverse waves
8.
In an electromagnetic wave, the electric and magnetic fields are always:
A.
In phase
B.
Out of phase
C.
At 45° phase difference
D.
Perpendicular to each other and in phase
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ANSWER :
D. Perpendicular to each other and in phase
9.
Which of the following is a characteristic of transverse waves?
A.
Can travel through vacuum
B.
Require a material medium
C.
Have constant frequency
D.
Can exhibit polarization
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ANSWER :
D. Can exhibit polarization
10.
In an electromagnetic wave, the electric and magnetic fields are

NEET - 2016

A.
Perpendicular to each other and in the direction of wave propagation
B.
Parallel to each other and to the direction of wave propagation
C.
Perpendicular to each other and perpendicular to wave propagation
D.
None of these
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ANSWER :
C. Perpendicular to each other and perpendicular to wave propagation
11.
Which of the following statements is true for electromagnetic waves?
A.
They require a medium
B.
They do not carry energy
C.
They can travel in a vacuum
D.
They have infinite wavelength
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ANSWER :
C. They can travel in a vacuum
12.
Electromagnetic waves can be polarized because:
A.
The oscillations of E and B fields are perpendicular to propagation
B.
They cannot be polarized
C.
Only electric fields oscillate
D.
Both electric and magnetic fields oscillate perpendicularly
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ANSWER :
D. Both electric and magnetic fields oscillate perpendicularly