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Fill in the blanks and explain: To disc...

Fill in the blanks and explain:
To discover a sunken ship or objects deep inside the sea,………technology is used.

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NAVNEET PUBLICATION-STUDY OF SOUND-EXERCISE
  1. Fill in the blanks and explain: The velocity of sound in steel is…….....

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  2. Fill in the blanks and explain: The incidence of……in daily life shows...

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  3. Fill in the blanks and explain: To discover a sunken ship or objects ...

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  4. State whether the following statements are True or False: Wave speed,...

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  5. State whether the following statements are True or False: Infrasound ...

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  6. State whether the following statements are True or False: Ultrasound ...

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  7. State whether the following statements are True or False: SONAR techn...

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  8. State whether the following statements are True or False: Ultrasonic ...

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  9. State whether the following statements are True or False: The speed of...

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  10. State whether the following statements are True or False: The speed o...

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  11. State whether the following statements are True or False: Loudness is...

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  12. State whether the following statements are True or False: Infrasound ...

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  13. State whether the following statements are True or False: A hard and ...

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  14. State whether the following statements are True or False: Cloths, curt...

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  15. Find the odd one out and give the reason: Paper, clothes, mat, metal ...

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  16. Find the odd one out and gice the reason: Sound waves, waves on the s...

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  17. Match the following :

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  18. Answer the following questions: What is sound?

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  19. Answer the following questions: What is vibration? Give one example.

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  20. Answer the following questions: What is wave?

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