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Which of the following statements is tru...

Which of the following statements is true ?

A

Both light and sound waves in air are transverse

B

The sound waves in air are logitudinal while the light waves are transverse

C

Both light and sound waves in air aire logitudinal

D

Both light and sound waves can travel in vacuum

Text Solution

Verified by Experts

The correct Answer is:
B
Sound waves in air cannot be polarised as they are longitudinal whereas light waves can be polarised as they are always transverse.
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NARAYNA-WAVES-Exercise-III
  1. Which of the following statements is true ?

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  2. A transverse wave propagating along x-axis is represented by: y(x,t)=8...

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  3. Two sound waves with wavelengths 5.0 m and 5.5 m respectively, each pr...

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  4. Velocity of star is 10^(6)m//s and frequency of emitted light is 4.5X1...

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  5. A boat at anchore is rocked by waves whose crests are 100m apart and v...

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  6. Which of the following is true regarding beats ?

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  7. Three progressive waves A,B,C are shown in the figure With respec...

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  8. The intensity of sound increases at night due to

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  9. A boat at anchor is rocked by waves whose crests are 100 m apart and w...

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  10. The equation of a wave travelling on a string is y=4sin[(pi)/(2)(8t-(x...

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  11. An observer moves towards a stationary source of sound with a speed ((...

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  12. Two waves having the intensities in the ratio of 9 : 1 produce interfe...

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  13. The wave decribed by y=0.25sin(10pix-2pit). Where x and y are in metre...

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  14. The equation of a simple harmonic wave is given by Y = 5sin""pi/2(100t...

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  15. A tuning fork A produces 4 beats s^(-1) with another tuning fork B of ...

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  16. Two sound waves of slightly different frequencies propagating in the s...

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  17. Change in frequency due to Doppler's effect is produced when

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  18. Two points are located at a distance of 10 m and 15 m from the source ...

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  19. The driver of a car travelling with speed 30ms^-1 towards a hill sound...

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  20. Each of the two strings of length 51.6 cm and 49.1 cm are tensioned se...

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