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A pendulum oscillates 40 times in 4 seco...

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

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PSEB-SOUND-EXERCISE
  1. In the following statements ,tick 'T' against those which are true and...

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  2. In the following statements ,tick 'T' against those which are true and...

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  3. In the following statements ,tick 'T' against those which are true and...

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  4. In the following statements ,tick 'T' against those which are true and...

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  5. Fill in the blanks with suitable words. Time taken by an object to ...

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  6. Fill in the blanks with suitable words. Loudness is determined by t...

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  7. Fill in the blanks with suitable words. The unit of frequency is ……...

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  8. Fill in the blanks with suitable words. Unwanted sound is called ……...

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  9. Fill in the blanks with suitable words. Shrillness of sound is dete...

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

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

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  12. Identify the part which vibrates to produce sound in the following ins...

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  13. Identify the part which vibrates to produce sound in the following ins...

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  14. Identify the part which vibrates to produce sound in the following ins...

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

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  16. List sources of noise pollution in your surroundings.

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  17. Explain in what way noise pollution is harmful to human.

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  18. Your parents are going to buy a house.They have been offered one on th...

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  19. Sketch larynx and explain its function in your own words.

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  20. Flash and thunder are produced simultaneously. But thunder is heard a...

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