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A person standing between two vertical c...

A person standing between two vertical cliffs and 480 m from the nearest cliff shouts. He hears the first echo after 3 s and the second echo 2 s later.
Calculate :
The distance of the other cliff from the person.

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AI Generated Solution

To solve the problem, we need to determine the distance of the second cliff from the person standing between the two cliffs. ### Step-by-Step Solution: 1. **Understanding the Setup**: - The person is standing 480 m from the nearest cliff (let's call it Cliff 1). - The time taken to hear the first echo from Cliff 1 is 3 seconds. - The second echo is heard 2 seconds later, making the total time for the second echo 5 seconds. ...
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ICSE-SAMPLE PAPER 2015-SECTION-II
  1. Name the characteristic of sound in relation to its waveform.

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  2. A person standing between two vertical cliffs and 480 m from the neare...

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  3. A person standing between two vertical cliffs and 480 m from the neare...

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  4. In the diagram below, A, B, C, D are four pendulums suspended from the...

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  5. In the diagram below, A, B, C, D are four pendulums suspended from the...

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  6. In the diagram below, A, B, C, D are four pendulums suspended from the...

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  7. Name the device used to increase the voltage at a generating station.

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  8. At what frequency is A.C. supplied to residential houses ?

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  9. Name the wire in a household electrical circuit to which the switch is...

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  11. The relationship between the potential difference and the current in a...

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  12. The relationship between the potential difference and the current in a...

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  14. A cell of emf 2 V and internal resistance 1.2Omega is connected with a...

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  15. Name a gas caused by the Greenhouse effect.

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  16. Which property of water makes it an effective coolant ?

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  17. Water in lakes and ponds do not freeze at once in cold countries. Give...

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  18. What is the principle of Calorimetry?

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  19. Name the law on which this principle is based.

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  20. State the effect of an increase of impurities on the melting point of ...

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