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Assertion: A tuning fork is made of an a...

Assertion: A tuning fork is made of an alloy of steel, nickel and chromium.
Reason: The alloy of steel, nickel and chromium is called elinvar.

A

Assertion is True, Reason is True, Reason is a correct explanation for Assertion

B

Assertion is True, Reason is True, Reason is not a correct explanation for Assertion

C

Assertion is True, Reason is False

D

Assertion is False, Reason is False.

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TARGET PUBLICATION-Sound-Exercise
  1. Wavelength of the transverse wave is 30 cm. If the particle at some in...

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  2. A tuning fork has frequency 512 Hz. The number of vibrations of the fo...

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  3. Assertion: A tuning fork is made of an alloy of steel, nickel and chro...

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  4. If the splash is heard 4.23 s after a stone is dropped into a pit in w...

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  5. A closed organ pipe of length L and an open organ pipe contain gases o...

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

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  7. Which of the following requires a medium for their propogation?

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  8. Sound waves travel at 350 m//s through a warm air and at 3500 m//s thr...

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  9. If velocity of sound in a gas is 360 m//s and the distance between a c...

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  10. The equation of the progressive wave is Y=3sin[x (frac(t)(3)-frac(x)(5...

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  11. A wave travelling in the +ve x-direction having displacement along y-d...

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  12. A sound wave y=A0 sin (omegat-kx) is reflected from a rigid wall with ...

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  13. A transverse wave is described by the equation Y=Y(0) sin 2 pi (ft-fra...

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  14. The displacement y of wave trvelling in the x-direction is given by y=...

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  15. When a wave travels in a medium, the particle displacement is given by...

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  16. Helium has density of 0.179 (kg)/m^3 at S.T.P. Considering helium gas ...

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  17. At which temperature the speed of sound in hydrogen will be same as th...

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  18. The velocity of sound waves in diatomic gas at 30^@C

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  19. The velocity of sound in air at 20^@ C and 1 atm pressure in 344.2 m//...

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  20. A uniform string of length 20 m is suspended from a rigid support. A s...

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