In case of a moving source of sound appr...

In case of a moving source of sound approaching an observer.

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Mock test paper 1
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What physical change occurs when source of sound moves and observer is stationary?

When a source of sound moves towards stationary observer,the wavelength of sound received by the observer

Can you notice Doppler effect, if both the observer(or listener) and the source of sound are moving with same velocity in the same direction.

When a sound is reflected from a distant object, an echo is produced. Let the distance between the reflecting surface and the source of sound production remains the same. Do you hear echo sound on a hotter day ?

In case of a moving body can distance travelling less than displacement?

Define distance of closest approach?

What is the physical change occurs when the source of sound is stationary but the observer moves?

JBD PUBLICATION-Mock test paper 2-EXERCISE

Write the relation between heat work when heat measured calories and w...
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How many degree of freedom for H2?
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In case of a moving source of sound approaching an observer.
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If vecA = 2 hati + 3 hatj and vecB = 2 hati +1 hatj, find the angle be...
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Why is a clean hole made when a bullet is fired at a glass window pane...
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Find the dimensins of gravitational potential energy.
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A man of mass 60 kg stands on a weighing machine in a lift which is mo...
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Define kinetic energy?
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State the principle of conservation of angular momentum.
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If a man weighs 250 N on the surface of earth, what will his wight hal...
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Why it is easer to wash clothes in hot water soap solution?
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Define cross produced of two vectors and state its propertics.
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Two buildings are 45 m apart. With what velocity must a ball be thrown...
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Define angle of friction and angle of repose. Find the relationship be...
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prove that in an elastic collision the relative velocity of approach b...
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Derive Newton's law of gravitation from Kepler's law.
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What is Stokes' law? Derive the relation by method of dimensions.
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A body cools from 60^@ C to 40^@C in 7 minutes. What will be its tempe...
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Define first law of themodynamics and expain its limitations.
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Write the postilates of kinetic theory of gases.
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