Interference and Diffraction MCQs with Answers

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Interference and Diffraction Online Quiz

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• Test Name: Interference and Diffraction MCQ Quiz Practice
• Type: Quiz Test
• Total Questions: 40
• Total Marks: 40
• Time: 40 minutes

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Interference and Diffraction

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1 / 40

In interference, constructive interference occurs when two waves _____.

Are in phase

Have different amplitudes

Are out of phase

2 / 40

What property of light determines its wavelength?

Speed

Amplitude

Frequency

3 / 40

Diffraction is the bending of waves around _____.

Mirrors

Obstacles

Lenses

4 / 40

In interference, constructive interference occurs when two waves _____.

Have different amplitudes

Are out of phase

Are in phase

5 / 40

What phenomenon occurs when two or more waves overlap and combine?

Interference

Reflection

Diffraction

6 / 40

Which of the following is an example of diffraction?

Light waves spreading behind an obstacle

Water waves passing through a gap

Sound waves reflecting off a surface

7 / 40

Diffraction is the bending of waves around _____.

Lenses

Obstacles

Mirrors

8 / 40

What type of interference occurs when waves cancel each other out?

Resonant interference

Destructive interference

Constructive interference

9 / 40

What is the distance between two consecutive points in an interference pattern where the intensity is maximum?

Wavelength

Amplitude

Frequency

10 / 40

In interference, constructive interference occurs when two waves _____.

Are out of phase

Are in phase

Have different amplitudes

11 / 40

What phenomenon occurs when two or more waves overlap and combine?

Interference

Diffraction

Reflection

12 / 40

What property of light determines its wavelength?

Amplitude

Speed

Frequency

13 / 40

Diffraction is the bending of waves around _____.

Obstacles

Mirrors

Lenses

14 / 40

What is the distance between two consecutive points in an interference pattern where the intensity is maximum?

Wavelength

Amplitude

Frequency

15 / 40

The interference pattern produced by two sources of light depends on the _____.

Phase difference

Wavelength

Frequency

16 / 40

The interference pattern produced by two sources of light depends on the _____.

Wavelength

Phase difference

Frequency

17 / 40

Which of the following is a condition for the occurrence of interference?

Coherence

Refraction

Polarization

18 / 40

What is the distance between two consecutive points in an interference pattern where the intensity is maximum?

Wavelength

Frequency

Amplitude

19 / 40

The interference pattern produced by two sources of light depends on the _____.

Wavelength

Phase difference

Frequency

20 / 40

Which of the following is a condition for the occurrence of interference?

Refraction

Coherence

Polarization

21 / 40

What property of light determines its wavelength?

Speed

Frequency

Amplitude

22 / 40

Which of the following is an example of diffraction?

Water waves passing through a gap

Sound waves reflecting off a surface

Light waves spreading behind an obstacle

23 / 40

What phenomenon occurs when two or more waves overlap and combine?

Reflection

Diffraction

Interference

24 / 40

What type of interference occurs when waves cancel each other out?

Constructive interference

Destructive interference

Resonant interference

25 / 40

Diffraction is the bending of waves around _____.

Mirrors

Lenses

Obstacles

26 / 40

What is the result of destructive interference?

Maxima

No interference

Minima

27 / 40

What is the result of destructive interference?

Minima

No interference

Maxima

28 / 40

What type of interference occurs when waves cancel each other out?

Constructive interference

Destructive interference

Resonant interference

29 / 40

What type of interference occurs when waves cancel each other out?

Resonant interference

Constructive interference

Destructive interference

30 / 40

What property of light determines its wavelength?

Amplitude

Frequency

Speed

31 / 40

What is the result of destructive interference?

No interference

Maxima

Minima

32 / 40

What is the distance between two consecutive points in an interference pattern where the intensity is maximum?

Amplitude

Wavelength

Frequency

33 / 40

What is the result of destructive interference?

Minima

Maxima

No interference

34 / 40

What phenomenon occurs when two or more waves overlap and combine?

Interference

Reflection

Diffraction

35 / 40

Which of the following is an example of diffraction?

Water waves passing through a gap

Light waves spreading behind an obstacle

Sound waves reflecting off a surface

36 / 40

Which of the following is a condition for the occurrence of interference?

Refraction

Coherence

Polarization

37 / 40

The interference pattern produced by two sources of light depends on the _____.

Frequency

Phase difference

Wavelength

38 / 40

In interference, constructive interference occurs when two waves _____.

Are out of phase

Are in phase

Have different amplitudes

39 / 40

Which of the following is an example of diffraction?

Sound waves reflecting off a surface

Light waves spreading behind an obstacle

Water waves passing through a gap

40 / 40

Which of the following is a condition for the occurrence of interference?

Coherence

Polarization

Refraction

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