Q1PhysicsUnit 10: Oscillations and Waves
When sound wave is refracted from air
to water, which of the following will remain unchanged?
Physics · JEE
Wave motion, longitudinal and transverse waves, speed of the travelling wave, displacement relation for a progressive wave Mock Test for JEE
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Syllabus context
Part of Oscillations and Waves in JEE Main Physics.
- Oscillations and periodic motion: time period, frequency, displacement as a function of time, periodic functions
- Simple harmonic motion (S.H.M.) and its equation, phase
- Oscillations of a spring: restoring force and force constant
- Energy in S.H.M.: kinetic and potential energies
- Simple pendulum: derivation of expression for its time period
- Wave motion, longitudinal and transverse waves, speed of the travelling wave, displacement relation for a progressive wave
- Principle of superposition of waves, reflection of waves, standing waves in strings and organ pipes, fundamental mode and harmonics, beats
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Q2PhysicsUnit 10: Oscillations and Waves
A rubber string is tied to a nail on the wall. The rubber string is pulled gently to stretch slightly. Which of the following phenomena may occur after the release of the string?
Q3PhysicsUnit 10: Oscillations and Waves
A sonar device on a submarine send out
a signal and receives an echo 5 seconds later. Calculate the speed of sound in water, if the distance of the object from the submarine is
Q4PhysicsUnit 10: Oscillations and Waves
Assertion
In a motion picture, the consecutive frames are almost the same and
quickly switched.
Reason
In the retina of human eyes these
continuous images get fused into one another
Q5PhysicsUnit 10: Oscillations and Waves
On changing of medium, remains same.
Q6PhysicsUnit 10: Oscillations and Waves
When a sound is going away from a stationary observer with the velocity equal to that of sound in air, then the
frequency heard by observer is n times the original frequency. The value of n is
Q7PhysicsUnit 10: Oscillations and Waves
A train is approaching towards a platform with a speed of while blowing a whistle of frequency
What is the frequency of whistle heard by a stationary observer on the platform? Given speed of sound
Q8PhysicsUnit 10: Oscillations and Waves
Which statement about light waves and
sound waves is correct?
Q9PhysicsUnit 10: Oscillations and Waves
Ultrasonics are useful for.
Q10PhysicsUnit 10: Oscillations and Waves
Seismic waves that vibrate
perpendicular to the direction of their
path.
Q11PhysicsUnit 10: Oscillations and Waves
A boy standing between two cliffs claps
and hears 2 echoes after 2 s and 2.5 s
respectively. If the velocity of sound is find the distance between he
two cliffs:
Q12PhysicsUnit 10: Oscillations and Waves
Wave pulse on a string shown in the
figure is moving to the right without
changing shape. Consider two particles
at positions and
2.5 Their transverse velocities at the
moment shown in the figure are along
the
Q13PhysicsUnit 10: Oscillations and Waves
How does the sound produced by a vibrating object in a medium reach
your ear?
Q14PhysicsUnit 10: Oscillations and Waves
The persistence of audible sound due to
the successive reflections from the
surrounding objects even after the source has stopped to produce that sound is
called
Q15PhysicsUnit 10: Oscillations and Waves
A plane sound wave passes from medium 1 into medium The speed of
sound in medium 1 is and in
medium 2 is . The ratio of
amplitude of the transmitted wave to that of incident wave is
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Popular questions in Wave motion, longitudinal and transverse waves, speed of the travelling wave, displacement relation for a progressive wave
- When a sound is going away from a stationary observer with the velocity equal to that of sound in air, then the frequenc…
- A train is approaching towards a platform with a speed of \( 10 m s^{-1} \) while blowing a whistle of frequency \( 340 …
- How does the sound produced by a vibrating object in a medium reach your ear?…
- is the distance between consecutive corresponding points of the same phase, such as crests, troughs, compressions, raref…
- Bats detect the obstacle in their path by receiving the detected…
- is the distance between consecutive corresponding points of the same phase, such as crests, troughs, compressions, raref…
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