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(A): Transverse mechanical waves can not...

(A): Transverse mechanical waves can not propagates in liquids and gases.
(R): Liquids and gases flow when acted on by shearing stress, they can not sustain shear stress

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) : Waves produced by a motor boat sailing in water are both longitu...

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  2. (A): The longitudinal waves are called pressure waves. (R): Propagat...

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  3. (A): Transverse mechanical waves can not propagates in liquids and gas...

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  4. (A): Transverse mechanical waves can not propagates in liquids and gas...

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  5. (A): Solids can support both longitudinal and transverse waves but onl...

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  6. Assertion : The frequencies of incident, reflected and refracted beam ...

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  7. (A): Only longitudinal waves can propagate through a gas. (R): Gase...

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  8. (A): A medium must have elasticity to support wave motion. (R): Rest...

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

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

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

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

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

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

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

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

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

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

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

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

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