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If wavelength of a sound wave in a mediu...

If wavelength of a sound wave in a medium is reduced by 50% , then the percentage change in its frequency is

A

-50

B

100

C

-100

D

50

Text Solution

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The correct Answer is:
b
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-PRACTICE SET 24-Paper 1 (Physics and Chemistry)
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  2. The periodic time T of a simple pendulum are observed , for different ...

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  3. If wavelength of a sound wave in a medium is reduced by 50% , then the...

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  4. A string is producing transverse vibration whose equation is y = 0.021...

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  5. An open U-tube contains mercury. When 11.2 cm of water is poured into ...

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  6. The velocity of sound in a gas is 300 m/s . The root mean square veloc...

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  7. A man is watching two trains, one leaving and the other coming in with...

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  8. A small spherical ball falling through a viscous medium of negligible ...

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  9. The force between the plates of a parrallel plate air capacitor , if c...

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  10. The paltes of a capacitor are separated by 5mm. A battery of 1 kV is c...

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  11. What are the advantages of a Wheatstone bridge method of measuring res...

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  12. Iron and silicon wires are heated form 30^(@)C to 50^(@)C. The correct...

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  13. Which of the following can cause the null point of a potentiometer to ...

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  14. A bus moving on a level road with a velocity v can be stopped at a dis...

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  15. A block of mass 2 kg is at rest on a floor . The coefficient of static...

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  16. The resistance of a galvanometer is 50 ohm and the current required to...

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  17. A long magnet is cut in two parts in such a way that the ratio of thei...

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  18. Liquids and gases never exhibit

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