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The waves that require a medium to trave...

The waves that require a medium to travel is:

A

infrared radiation

B

ultraviolet radiation

C

visible light

D

Ultra sound

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Mark the correct choice as : (a) Both assertion and reason are true and reason is the correct explanation of assertion. (b) Both assertion and reason are true but reason is not the correct explanation of assertion. (c) Assertion is true but reason is false. (d) Assertion is false but reason is true. (e) Both Assertion and reason are false.Reason : Sound is mechanical wave, which require medium to travel. Assertion : We cannot hear the sound produced by a vibrating pendulum. Reason : The frequency of the pendulum is very less.

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SARAS PUBLICATION-MODEL QUESTION PAPER 6-EXERCISE
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  2. The ratio of rms speed of an ideal gas molecules at pressure p to that...

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  3. A pendulum of time period 2 s'on earth is taken to another planet whos...

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  4. The physical quantity which remains constant in simple harmonic motion...

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  5. transverse waves:

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  6. If a closed organ pipe has the same third harmonic frequency as that o...

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  7. A particle of mass 1.96 xx 10^(-15)kg is kept in equilibrium between t...

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  8. Two small spherical shells A and B are given positive charges of 9 C a...

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  9. Identify the wrong statement.

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  10. When the rate of flow of charge through a metallic conductor of non-un...

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  11. The resistance of a carbon resistor of colour code Red Red Green Silve...

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  12. The slope of the graph showing the variation of potential difference V...

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  13. When the temperature of a magnetic material decreases, the magnetizati...

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  14. The magnetic field at the centre of a circular coil carrying current I...

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  15. In an LCR series resonant circuit, the capacitance is changed from C a...

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  16. Changing magnetic fields can set up current loops in nearby metal bodi...

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  17. Ozone layer in atmosphere is useful, because it

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  18. The magnifying power of a convex lens of focal length 10 cm when the i...

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  19. The waves that require a medium to travel is:

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  20. In Youngs double slit experiment, to increase the fringe width

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