Home
Class 11
PHYSICS
For production of beats the two sourcs m...

For production of beats the two sourcs must have

A

different frequencies and sam phase

B

different frequencies

C

different frequencies and same amplitude

D

different frequencies same amplitude and same phase.

Text Solution

Verified by Experts

The correct Answer is:
B

For production of beats different frequencies are essential. The different ampltiudes affecte the minimum and maximum amplitude of the beast and different phases affect the time of occurrence of minimum and maximum.
Promotional Banner

Topper's Solved these Questions

  • WAVES

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT & QUESTIONS ANSWERS ( VERY SHORT ANSWER QUESTIONS. )|36 Videos
  • WAVES

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT & QUESTIONS ANSWERS ( SHORT ANSWER QUESTIONS. )|34 Videos
  • WAVES

    PREMIERS PUBLISHERS|Exercise EVALUTION TEXTBOOK QUESTIONS AND ANSWERS ( CONCEPTUAL QUESTIONS . )|12 Videos
  • QUESTION PAPER MARCH 2019

    PREMIERS PUBLISHERS|Exercise Part- IV|23 Videos
  • WORK, ENERGY AND POWER

    PREMIERS PUBLISHERS|Exercise VERY SHORT ANSWER QUESTIONS|34 Videos

Similar Questions

Explore conceptually related problems

For production of beats the two sources must have :

Define beats.

A market research group conducted a survey of 1000 consumers and reported that 720 consumers like product A and 450 consumers like product B, what is the least number that must have liked both products?

Calculate the frequency of beats produced in air when two sources of sound are activated, one emitting a wavelength of 32 cm and the other of 32.2 cm. The speed of sound in air is 350 ms^-1 .

Two vectors have magnitudes 2 m and 3m. The angle between them is 60^0 . Find a the scalar product of the two vectors b. the magnitude of their vector product.

The vector product of two vectors will have maximum magnitude when theta is equal to

Two straight lines pass through the fixed points (+-a, 0) and have slopes whose products is pgt0 Show that the locus of the points of intersection of the lines is a hyperbola.

In a chemical reaction , the number of atoms of reactants and that of the products must be equal .

Two open organ pipes of lengths 50 cm and 50.5 cm produce 3 beats/s. Then the velocity of sound is .

PREMIERS PUBLISHERS-WAVES-OTHER IMPORTANT & QUESTIONS ANSWERS ( MULTIPLE CHOICE QUESNTIONS ) :
  1. Two waves of same frequency and intensity superimpose on each other in...

    Text Solution

    |

  2. In the experiment for the determination of the speed of sound in air u...

    Text Solution

    |

  3. For production of beats the two sourcs must have

    Text Solution

    |

  4. Two waves of length 50 cm and 51 cm produced 12 beas per second. The v...

    Text Solution

    |

  5. The phenomenon of beats can take place :

    Text Solution

    |

  6. Which of the following pairs of options are correct ? According to l...

    Text Solution

    |

  7. Two vibrating tuning forks produce waves given by y(1)=4 sin 500 pit a...

    Text Solution

    |

  8. Which of the following statements are correct ? (i) Light waves can ...

    Text Solution

    |

  9. A source producing sound of frequency 170 Hz is approaching a stationa...

    Text Solution

    |

  10. The apaarent frequency of a note is 200 Hz when a listener is with a v...

    Text Solution

    |

  11. The apaarent frequency in Doppler's effect does not depend upon :

    Text Solution

    |

  12. The observer hears no beats. If the frequency of the horn of the car ...

    Text Solution

    |

  13. In the classification of sound waves which one of the following statem...

    Text Solution

    |

  14. A car sounding its horn at 480 Hz moves towards a high wall at a speed...

    Text Solution

    |

  15. Sound of freqeuncy 1000 Hz from a stationary source is reflectd form a...

    Text Solution

    |

  16. Select the correct pairs of factors on which does the velocity of soun...

    Text Solution

    |

  17. Assertion : Sound wave cannot propagate through vacuum but light can. ...

    Text Solution

    |

  18. A 5.5 meter long string has a mass of 0.03.5 kg . If the tension in th...

    Text Solution

    |

  19. With propogation of longitudinal waves through a medium the quantity t...

    Text Solution

    |

  20. What is the wavelength of wave shown in given figure ?

    Text Solution

    |