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A sonar device on a submarine sends out ...

A sonar device on a submarine sends out a signal and receives an echo `5 s` later. Calculate the speed of sound in water if the distance of the object from the submarine is `3625 m`,

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MBD -HARYANA BOARD-SOUND-Example
  1. Write the full name of SONAR. How will you determine the depth of a se...

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  2. Write full form of SONAR. List any two purposes for which, it is used ...

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  3. A sonar device on a submarine sends out a signal and receives an echo ...

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  4. Explain how defects in a metal block can be detected using ultrasound.

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  5. Explain how the human ear works.

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  6. Name two different types of waves. Give an experiment to explain the ...

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  7. Name two different types of waves. Define transverse waves.

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  8. Name two different types of waves. What should be the conditions for...

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  9. Name two different types of waves. Give examples of transverse waves.

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  10. Name two different types of waves. Define crest and trough.

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  11. What are longitudinal waves and transverse waves ?

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  12. Arrange an experiment to demonstrate the formation of longitudinal wav...

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  13. Define a compression and a rarefaction

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  14. Obtain a relation between speed, frequency and wavelength of a wave.

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  15. What are the major points of difference between sound waves and light ...

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  16. Explain the classification of sound waves on the basis of frequency ra...

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  17. State the law which governs the reflection of sound waves ? How can th...

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  18. List the three characteristics of sound waves. State the factors on wh...

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  19. What is periodic motion ? Give some of its examples

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  20. What is oscillatory motion ? Give some of its examples.

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