Waves — Practice Quiz
CBSE · Class 11 · Physics
Try a 4-question quiz on Waves for CBSE Class 11 Physics: tap an answer to check it and see why. 131 questions in the full chapter test.
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Quick Quiz: Waves
0/4Tap an answer to check it instantly. No sign-up needed for these 4.
What is the primary difference between transverse and longitudinal waves?
Which type of wave can travel through vacuum?
What does the principle of superposition state?
What determines the speed of a transverse wave on a stretched string?
Sample Questions
What is a node in a standing wave?
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Point of zero displacement
A node is a point in a standing wave where the displacement is always zero, representing points of no movement.
What is the relationship between wavelength (λ), frequency (v), and wave speed (v)?
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v = λν
For a travelling wave, the speed equals the distance covered in one period, so v = λ/T. Since frequency ν = 1/T, this can also be written as v = λν. The relation links wave speed, wavelength, and frequency.
What happens to a wave when it is reflected from a rigid boundary?
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Phase change of π (180 degrees)
When a wave is reflected from a rigid boundary, it undergoes a phase change of π, causing a reversal in its displacement.
What is a beat frequency?
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Difference between two close wave frequencies
Beat frequency is the absolute difference between two waves with slightly different frequencies, creating a periodic variation in amplitude.
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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