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Home
Wave Optics Test - 45
Wave Optics Test - 45
Result
Wave Optics Test - 45
/
Score
-
Rank
Time Taken:
-
Question
1/10
4 / -1
The speed of electromagnetic wave in vacuum depends upon the source of radiation
Correct
Wrong
Skipped
A
Increases as we move from y-rays to radio waves
Correct
Wrong
Skipped
B
Decreases as we move from y-rays to radio waves
Correct
Wrong
Skipped
C
Is same for all of them
Correct
Wrong
Skipped
D
None of the above
Question
2/10
4 / -1
Which of the following radiations has the least wavelength?
Correct
Wrong
Skipped
A
γ-rays
Correct
Wrong
Skipped
B
β-rays
Correct
Wrong
Skipped
C
α-rays
Correct
Wrong
Skipped
D
X-rays
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Solutions
Question
3/10
4 / -1
The electromagnetic waves travel with a velocity
Correct
Wrong
Skipped
A
Equal to velocity of sound
Correct
Wrong
Skipped
B
Equal to velocity of light
Correct
Wrong
Skipped
C
Less than velocity of light
Correct
Wrong
Skipped
D
None of the above
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Verify Mobile Number
Solutions
Question
4/10
4 / -1
The ozone layer absorbs
Correct
Wrong
Skipped
A
Infrared radiations
Correct
Wrong
Skipped
B
Ultraviolet radiations
Correct
Wrong
Skipped
C
X-rays
Correct
Wrong
Skipped
D
γ-rays
Question
5/10
4 / -1
Electromagnetic waves are transverse in nature is evident by
Correct
Wrong
Skipped
A
Polarization
Correct
Wrong
Skipped
B
Interference
Correct
Wrong
Skipped
C
Reflection
Correct
Wrong
Skipped
D
Diffraction
Question
6/10
4 / -1
Which rays are not the portion of electromagnetic spectrum?
Correct
Wrong
Skipped
A
X-rays
Correct
Wrong
Skipped
B
Microwaves
Correct
Wrong
Skipped
C
α-rays
Correct
Wrong
Skipped
D
Radio waves
Question
7/10
4 / -1
Radio waves diffract around building although light waves do not. The reason is that radio waves
Correct
Wrong
Skipped
A
Travel with speed larger than c
Correct
Wrong
Skipped
B
Have much larger wavelength than light
Correct
Wrong
Skipped
C
Carry news
Correct
Wrong
Skipped
D
Are not electromagnetic waves
Question
8/10
4 / -1
Radio waves and visible light in vacuum have
Correct
Wrong
Skipped
A
Same velocity but different wavelength
Correct
Wrong
Skipped
B
Continuous emission spectrum
Correct
Wrong
Skipped
C
Band absorption spectrum
Correct
Wrong
Skipped
D
Line emission spectrum
Question
9/10
4 / -1
Energy stored in electromagnetic oscillations is in the form of
Correct
Wrong
Skipped
A
Electrical energy
Correct
Wrong
Skipped
B
Magnetic energy
Correct
Wrong
Skipped
C
Both (a) and (b)
Correct
Wrong
Skipped
D
None of these
Question
10/10
4 / -1
Heat radiations propagate with the speed of
Correct
Wrong
Skipped
A
α-rays
Correct
Wrong
Skipped
B
β-rays
Correct
Wrong
Skipped
C
Light waves
Correct
Wrong
Skipped
D
Sound waves
Re-attempt
-
Correct (
-
)
Wrong (
-
)
Skipped (
-
)
1
2
3
4
5
6
7
8
9
10
Re-attempt
-
Correct (
-
)
Wrong (
-
)
Skipped (
-
)
1
2
3
4
5
6
7
8
9
10
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