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A man standing unsymmetrical position between two mountains and fires a gun. He hears the first echo after 1.5 s and the second echo after 2.5 s. If the speed of sound is 340 m/s, then the largest distance between the man and mountain will be

A

340 m

B

410 m

C

425 m

D

255 m

Text Solution

Verified by Experts

The correct Answer is:
C
`x_(2) = (vt_(2))/(2)`
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NIKITA PUBLICATION-WAVE MOTION-Multiple Choice Questions
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  7. A man is driving a vechicle at 36 km/hr on a straight road towards a h...

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  8. A man standing between two parallel cliffs fires a gun. If he hears th...

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  9. A road runs midway between two parallel rows of buildings. A motorist ...

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  10. A man standing in front of mountain at a certain distance beats a drum...

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  11. A soldier fires a bullet towards a fort-wall and hears the first echo ...

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  12. A scooterist moving with a velocity of 36 kmph towards a fort wall and...

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  13. A bat emits ultrasonic waves of frequency 39 kHz and receives and echo...

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  14. An engine approaches a hill with constant speed and where it is at a d...

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  15. A man is driving a car at a speed of 72 kmph towards a hill. He sounds...

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  16. In a constructive intergerence of sound the resultant intensity of sou...

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  17. In a destructive interference of sound the resultant intensity of soun...

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  18. Intensity and loudness of sound depends on

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  19. Intensity of sound wave is

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  20. Decibel is

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