Home
Class 7
PHYSICS
The direction of an incident sound wave ...

The direction of an incident sound wave makes an angle of `30^(@)` with the normal of a reflecting surface The reflected sound wave makes an angle of _______ with the normal.

A

`60^@`

B

`30^@`

C

`90^@`

D

`120^@`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • SOUND

    PEARSON IIT JEE FOUNDATION|Exercise CONCEPT APPLICATION (LEVEL-3)|5 Videos

  • SOUND

    PEARSON IIT JEE FOUNDATION|Exercise ASSESSMENT TESTS (TEST -1)|15 Videos

  • SOUND

    PEARSON IIT JEE FOUNDATION|Exercise CONCEPT APPLICATION (LEVEL-1)|43 Videos

  • OUR UNIVERSE

    PEARSON IIT JEE FOUNDATION|Exercise ASSESSMENT TEST (TEST 2)|14 Videos

Similar Questions

Explore conceptually related problems

A sound wave makes an angle 30^(@) with the reflecting surface. The angle of reflection is _______.

Light in vacuum is incident on the surface of a glass slab. In the vacuum the beam makes an angle of a glass slab. In the vacuum the beams makes an angle of 37^(@) with the normal to the surface, while in the glass it makes an angle of 23.5^(@) with the normal. What is the index of refraction of the glass ?

Answer true or false Echoes are the reflected sound waves that we hear

A light ray is incident on a plane mirror making an angle of 90^(@) with the mirror's surface. The angle of reflection of the light is _______ .

If a light ray incident on a plane mirror makes an angle 30^(@) with it, find the angle of incidence and angle of reflection.

The angle between reflected ray and normal to the reflecting surface is

PEARSON IIT JEE FOUNDATION-SOUND-CONCEPT APPLICATION (LEVEL-2)
  1. Three persons P(1), P(2), and P(3) are at three different points A, B ...

    Text Solution

    |

  2. A man is standing not exactly at the exactly at the centre, in between...

    Text Solution

    |

  3. If the same time taken for the reflected sound to reach the sonar os 2...

    Text Solution

    |

  4. Which of the following statements is correct?

    Text Solution

    |

  5. The direction of an incident sound wave makes an angle of 30^(@) with ...

    Text Solution

    |

  6. The frequency of a tuning fork is 600 Hz. What is the number of vibrat...

    Text Solution

    |

  7. Sandeep constructed a simple pendulum to find the value of 'g' at that...

    Text Solution

    |

  8. Chanukya was eager to know the time taken by sound to travel the same ...

    Text Solution

    |

  9. The velocity of sound in air, in water and in a given solid is, 330 ms...

    Text Solution

    |

  10. Dinesh, who is fond of music, vibrates a glass with a spoon. If he fil...

    Text Solution

    |

  11. A sound wave is travelling from a metallic rod to water. What changes ...

    Text Solution

    |

  12. Two astronauts who land on the moon cannot talk with each other. What ...

    Text Solution

    |

  13. The time period of a simple pendulum is given by the formula, T = 2pi ...

    Text Solution

    |

  14. A police targets a thief, who is at rest at point Q. He fires a bullet...

    Text Solution

    |

  15. Draw a labelled diagram to show the multiple reflections of sound in a...

    Text Solution

    |

  16. The flash of lightning, produced at a distance of 10 km above the grou...

    Text Solution

    |

  17. Why is the voice of children more shrill than that of adults'? Explain...

    Text Solution

    |

  18. A ship at rest is sending ultrasonic sound waves to detect a shoal of ...

    Text Solution

    |

  19. Why are the walls, roof, seats and steps, of a cinema theatre or audit...

    Text Solution

    |

  20. Why are concave reflectors used in big auditoria ?

    Text Solution

    |