The walls of the hall built for music concerns should
- Aamplify sound
- BReflect sound
- Ctransmit sound
- ✓Absorb sound
Answer: D.
View full solution →Question types
Sound question types
83 questions across 5 question groups — pick any mix to generate a Physics paper with step-by-step answer keys.
83
Questions
5
Question groups
5
Question types
01
M.C.Q (1 Marks)
47 Q→02Very Short Answer Type Question
7 Q→03Short Answer Type Question
5 Q→04Answer the following in Brief
14 Q→05Answer the following in Detail
10 Q→Sample Questions
Sound questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
Speed of sound is maximum in
- Aair
- Bwater
- Cvacuum
- ✓solid
Answer: D.
View full solution →The Laplace’s correction in the expression for velocity of sound given by Newton is needed because sound waves
- Aare longitudinal
- Bpropagate isothermally
- ✓propagate adiabatically
- Dare of long wavelength
Answer: C.
View full solution →When sound waves travel from air to water, which of these remains constant ?
- AVelocity
- ✓Frequency
- CWavelength
- DAll of above
Answer: B.
View full solution →A sound carried by the air from a sitar to a listener is a wave of the following type.
- ALongitudinal stationary
- BTransverse progressive
- CTransverse stationery
- ✓Longitudinal progressive
Answer: D.
View full solution →What is Doppler effect?
Define a longitudinal wave.
What do you mean by an echo?
What is meant by pitch of a sound?
What are reverberation and echo?
Define amplitude and wavelength of a wave.
Define progressive wave. State any four properties.
A tuning fork of frequency 170 Hz produces sound waves of wavelength 2m. Calculate speed of sound.
A police car travels towards a stationary observer at a speed of $15\ m/s.$ The siren on the car emits a sound of frequency $250\ Hz.$ Calculate the recorded frequency. The speed of sound is $340\ m/s.$
View full solution →i. Using axes of displacement and distance, sketch two waves A and B such that A has twice the wavelength and half the amplitude of B.
ii. Determine the wavelength and amplitude of each of the two waves P and Q shown in figure below.
ii. Determine the wavelength and amplitude of each of the two waves P and Q shown in figure below.
If the velocity of sound in air at a given place on two different days of a given week are in the ratio of $1 : 1.1.$ Assuming the temperatures on the two days to be same what quantitative conclusion can your draw about the condition on the two days?
View full solution →A man standing between $2$ parallel eliffs fires a gun. He hearns two echos one after $3$ seconds and other after $5$ seconds. The separation between the two cliffs is $1360\ m,$ what is the speed of sound?
View full solution →At what temperature will the speed of sound in air be $1.75$ times its speed at $N.T.P?$
View full solution →An echo-sounder in a fishing boat receives an echo from a shoal of fish 0.45s after it was sent. If the speed of sound in water is $1500\ m/s,$ how deep is the shoal?
View full solution →A certain sound wave in air has a speed 340 m/s and wavelength 1.7 m for this wave, calculate
(i) the frequency
(ii) the period.
(i) the frequency
(ii) the period.
Sound wave A has period $0.015\ s$, sound wave $B$ has period $0.025.$ Which sound has greater frequency$?$
View full solution →Describe a transverse wave.
State Newton’s formula for velocity of sound.
What is the effect of humidity of air on velocity of sound?
Explain what is meant by phase of a wave.
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