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In the statement, tick 'T' against thos...

In the statement, tick 'T' against those which are true, and 'F' against those which are false.
The number of oscillations per second of a vibrating object is called its time period. (T/F)

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The number of oscillations per second of a vibrating objects is called its time period

In the statement, tick 'T' against those which are true, and 'F' against those which are false. If the amplitude of vibration is large, sound is feeble. (T/F)

In the statement, tick 'T' against those which are true, and 'F' against those which are false. Sound cannot travel in vacuum. (T/F)

In the statement, tick 'T' against those which are true, and 'F' against those which are false. The lower the frequency of vibration, the higher is the pitch. (T/F)

In the statement, tick 'T' against those which are true, and 'F' against those which are false. (T/F)Unwanted or unpleasant sound is termed as music. (T/F)

In the statement, tick 'T' against those which are true, and 'F' against those which are false. Noise pollution may cause partial hearing impairment. (T/F)

In the statement, tick 'T' against those which are true, and 'F' against those which are false. For human ears, the audible range is 20 Hz to 20,000 Hz. (T/F)

Answer true or false Time in which !he vibrating particle completes one vibration is called the time period.

Which of the following statements are true (T) and which are false (F)? There are infinite number of whole numbers.

MBD -HARYANA BOARD-SOUND-EXAMPLE
  1. Which of the following voices is likely to have minimum frequency?

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  2. Sound cannot travel in

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  3. In the statement, tick 'T' against those which are true, and 'F' agai...

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  4. In the statement, tick 'T' against those which are true, and 'F' agai...

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  5. In the statement, tick 'T' against those which are true, and 'F' agai...

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  6. Answer true or false The lower, the frequency of vibrations, the high...

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  7. In the statement, tick 'T' against those which are true, and 'F' agai...

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  8. In the statement, tick 'T' against those which are true, and 'F' agai...

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  9. Fill in the blanks with suitable word Time taken by an object to com...

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  10. Fill in the blanks with suitable word Loudness is determined by the...

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  11. Fill in the blanks with suitable word The unit of frequency is

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  12. Fill in the blanks with suitable word Unwanted sound is called

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  13. Fill in the blanks with suitable word Shrillness of a sound is deter...

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  14. A pendulum oscillates 40 times in 4 seconds. Find its time period and ...

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  15. The sound from a mosquito is produced when it vibrates its wings at an...

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  16. Identify the part which vibrates to produce soud in following instrume...

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  17. What is the difference between noise and music? Can music become noise...

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  18. List sources of noise pollution in your surroundings.

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  19. Explain in what way noise pollution is harmful to humans.

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  20. Your parents are going to buy a house. They have been offered one on t...

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