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Statement-1 : Mechanical transverse wave...

Statement-1 : Mechanical transverse waves cannot be generated in gaseous medium
Statement-2 : Mechanical transverse waves can be produced only in such medium which have shearing property.

A

Both 'A' and 'R' are true and 'R' is the correct, explanation of 'A'.

B

Both 'A' and 'R' are true and 'R' is not the correct explanation of 'A'

C

A' is true and 'R' is false

D

Both 'A' and 'R' are false

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-WAVES-EXERCISE-IB (Assertion (A) & Reason (R) Type Questions)
  1. (A): A medium must have elasticity to support wave motion. (R): Rest...

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  2. (A): Both transverse and longitudinal mechanical waves can travel thro...

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  3. Statement-1 : Mechanical transverse waves cannot be generated in gaseo...

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  4. (A): In a progressive wave particle velocity and wave velocity are sam...

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  5. (A): Wave velocity and particle velocity for transverse wave are mutua...

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  6. (A): If in the presence of two independent audio signals, no beats are...

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  7. (A): When a wave goes from one medium to other, average power transmit...

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  8. (A): If two waves of same amplitude, produce a resultant wave of same ...

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  9. Assertion : On reflection from a rigid boundary there takes place a co...

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  10. (A) : The wave length of sound waves increases when they are refracted...

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  11. Statement I:In a progressive logitudinal wave, the amplitude of the wa...

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  12. (A): Two sound waves of frequencies 400 Hz and 200 Hz can propagate wi...

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  13. Statement 1: Sound waves can not propagate through vacuum but light wa...

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  14. (A): The velocity of sound changes as we go up in the atmosphere. (R...

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  15. Assertion : The flash of lightening is seen before the sound of thund...

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  16. (A): A wind is different from the sound wave in air. (R): The wind i...

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  17. (A): The velocity of sound in hydrogen gas is more than the velocity o...

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  18. Assertion : Sound would travel faster on a not summer day than on a co...

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  19. (A): The error in Newton's formula of velocity of sound in air was 16%...

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  20. Assertion : The basic of Laplace correction was that, exchange of heat...

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