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What does not change when sound enters from one medium to another?

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Important Questions on Wave Motion

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Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 17 - Wave Motion>Objective Problems>Q 2
The displacement y of a particle on a straight line is given by, y=fx, t, as a function of time. Which of the following functions does not represent wave motion?
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Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 17 - Wave Motion>Objective Problems>Q 3
In the equation, y=Asinkx-ωt+ϕ0, the term phase is defined as
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JEE Main
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 17 - Wave Motion>Objective Problems>Q 4
'SONAR' emits which of the following waves?
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Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 17 - Wave Motion>Objective Problems>Q 6
Resonance is a special case of
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JEE Main
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 17 - Wave Motion>Objective Problems>Q 7
The equation of wave is given by, y=Asinωxv-k where, ω is the angular velocity and v is the linear velocity. The dimensional formula of k is
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Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 17 - Wave Motion>Objective Problems>Q 8
Stationary waves are formed when
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IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 17 - Wave Motion>Objective Problems>Q 9
Doppler's effect in sound is due to
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JEE Main
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 17 - Wave Motion>Objective Problems>Q 10
The distance between two points differing in phase by 60° on a wave having wave velocity 360 m s-1 and frequency 500 Hz is