Home
Class 10
PHYSICS
State two necessary conditions for heari...

State two necessary conditions for hearing a distance echo.

Promotional Banner

Topper's Solved these Questions

  • SAMPLE PAPER 2022

    ICSE MODEL PAPER|Exercise SECTION II|28 Videos

Similar Questions

Explore conceptually related problems

State the necessary conditions for the interference of two sound waves.

State necessary condition of iron corrosion.

What are the two necessary conditions for the colliding molecules to yield the products ?

What are the two necessary conditions for the direct combination of sulphur dioxide and chlorine forming sulphuryl chloride ?

Define rusting. What are the two necessary conditions for rusting of iron ? Give the chemical name of rust.

What is corrosion? Why aluminium sheets do not corrode easily? Write two necessary conditions for corrosion to take place.

State the necessary conditions for the constructive and the destructive interference.

What are .beats. ? Explain their production. State the necessary conditions for the production of beats.

What is the necessary condition for hydrogen bonding?

What are the necessary conditions for any system to be aromatic?

ICSE MODEL PAPER-SAMPLE PAPER 2022-SECTION II
  1. Name any four regions of electromagnetic spectrum in increasing order ...

    Text Solution

    |

  2. Calculate the refractive index of a liquid with respect to air applyin...

    Text Solution

    |

  3. Draw a displacement-distance graph for two waves A and B such that the...

    Text Solution

    |

  4. Give one example of forced vibration.

    Text Solution

    |

  5. State two necessary conditions for hearing a distance echo.

    Text Solution

    |

  6. A man standing in front of a vertical cliff fires a gun. He hears the ...

    Text Solution

    |

  7. The diagram shows an electrical circuit used for the verification of O...

    Text Solution

    |

  8. Calculate the reading of A when (i) K is closed. (ii) K is open.

    Text Solution

    |

  9. In Mrs. Pinto’s flat there are 6 bulbs of 100 W each, a heater of 2 kW...

    Text Solution

    |

  10. From the diagram given below: What will you observe when- (1)...

    Text Solution

    |

  11. From the diagram given below: What will be the direction of curr...

    Text Solution

    |

  12. From the diagram given below: State the law which explains this ...

    Text Solution

    |

  13. Calculate the amount of heat given out while 400 g of water at 30^@C i...

    Text Solution

    |

  14. A mass m1 of a substance of specific heat capacity c1 at temperature t...

    Text Solution

    |

  15. Draw a labelled diagram of an alternating current generator. Write th...

    Text Solution

    |

  16. Define work function of a metal.

    Text Solution

    |

  17. State two factors upon which the rate of emission of thermions depends...

    Text Solution

    |

  18. Define radioactivity. Name various radioactive elements.

    Text Solution

    |

  19. A radioactive substance is oxidised. What changes would you expect to ...

    Text Solution

    |

  20. Radioactive materials as an alternative source of energy must be wisel...

    Text Solution

    |