Wave Optics Test

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Wave Optics Test - 1

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Weekly Quiz Competition

Question 1
1 / -0

Two sources of light are coherent if they have

A
same frequency and with a constant phase relationship

B
different frequency and random phases

C
same frequency and change phase randomly

D
different frequency and with a constant phase relationship
Question 2
1 / -0

According to superposition principle in relation to displacements produced by a number of waves

A
resultant displacement is the scalar sum of the displacements produced

B
resultant displacement is the dot product of the displacements produced

C
resultant displacement is the vector sum of the displacements produced

D
resultant displacement is the arithmetic sum of the displacements produced
Question 3
1 / -0

Relation between ray and wave front is

A
Rays are tangential to wave front

B
Rays are at acute angle to wave front

C
Rays are perpendicular to wave front

D
Rays are parallel to wave front
Question 4
1 / -0

According to Huygens construction relation between old and new wave fronts is

A
new wave front is perpendicular to old wave front

B
new wave front is tangential to old wave front

C
new wave front is the forward envelope of the secondary waves

D
new wave front is parallel to old wave front
Question 5
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According to Huygens principle

A
None of the above

B
each point on a wave front is a sink of secondary waves

C
No point on a wave front is a source of secondary waves

D
each point on a wave front is a source of secondary waves
Question 6
1 / -0

A ray is an imaginary

A
line along the direction of travel of the wave

B
line along the direction at an angle to the travel of the wave

C
line from source to horizon

D
line along the direction perpendicular to travel of the wave
Question 7
1 / -0

wave front is

A
series of points on the wave with same amplitude

B
series of points on the wave with same frequency

C
locus of all adjacent points at which the Electric field is the same

D
locus of all adjacent points at which the phase of vibration of a physical quantity associated with the wave is the same
Question 8
1 / -0

Emission and absorption is best described by,

A
particle model

B
None of the above

C
dual / schizophrenic model

D
a wave model
Question 9
1 / -0

The propagation of light is best described by,

A
None of the above

B
a wave model

C
particle model

D
dual / schizophrenic model
Question 10
1 / -0

Is light a particle or a wave?

A
Light is a set of waves

B
Light is schizophrenic i.e. sometimes it behaves like a particle and other times like a wave.

C
Light is a set of particles

D
Both particle and wave approaches help us understand different phenomenon

Solution

Explanation:

Light is an electro magnetic wave, it has dual nature and behave as both particle and wave

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Re-Attempt Weekly Quiz Competition

Wave Optics Test - 1

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Wave Optics Test - 1

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Question 1

same frequency and with a constant phase relationship

different frequency and random phases

same frequency and change phase randomly

different frequency and with a constant phase relationship

Question 2

resultant displacement is the scalar sum of the displacements produced

resultant displacement is the dot product of the displacements produced

resultant displacement is the vector sum of the displacements produced

resultant displacement is the arithmetic sum of the displacements produced

Question 3

Rays are tangential to wave front

Rays are at acute angle to wave front

Rays are perpendicular to wave front

Rays are parallel to wave front

Question 4

new wave front is perpendicular to old wave front

new wave front is tangential to old wave front

new wave front is the forward envelope of the secondary waves

new wave front is parallel to old wave front

Question 5

None of the above

each point on a wave front is a sink of secondary waves

No point on a wave front is a source of secondary waves

each point on a wave front is a source of secondary waves

Question 6

line along the direction of travel of the wave

line along the direction at an angle to the travel of the wave

line from source to horizon

line along the direction perpendicular to travel of the wave

Question 7

series of points on the wave with same amplitude

series of points on the wave with same frequency

locus of all adjacent points at which the Electric field is the same

locus of all adjacent points at which the phase of vibration of a physical quantity associated with the wave is the same

Question 8

particle model

None of the above

dual / schizophrenic model

a wave model

Question 9

None of the above

a wave model

particle model

dual / schizophrenic model

Question 10

Light is a set of waves

Light is schizophrenic i.e. sometimes it behaves like a particle and other times like a wave.

Light is a set of particles

Both particle and wave approaches help us understand different phenomenon

Solution

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