Home
Class 12
PHYSICS
Two strings are attached to two nails in...

Two strings are attached to two nails in the same horizontal level and knoted at a point . A mass of 2 kg is suspended from the knot . If the strings make angles of `30^(@)` and `60^(@)` respectively with the vertical the tensions in the strings are

A

`sqrt3` kg wt , 1 kg wt .

B

`1//2` kg wt . , `sqrt3//2` kg wt.

C

`sqrt3` kg wt ...,1 kg wt

D

`sqrt3//2` kg wt , 1/2 kg wt.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MODEL TEST PAPER - 8

    KCET PREVIOUS YEAR PAPERS|Exercise PHYSICS|60 Videos
  • MODEL TEST PAPER 10

    KCET PREVIOUS YEAR PAPERS|Exercise PHYSICS|60 Videos
KCET PREVIOUS YEAR PAPERS-MODEL TEST PAPER 02-PHYSICS
  1. In an ideal gas the meaning of isothermal exapansion is

    Text Solution

    |

  2. If a given mass of gas occupies a volume of 100 cc at 1 atmosphere and...

    Text Solution

    |

  3. Two strings are attached to two nails in the same horizontal level and...

    Text Solution

    |

  4. A body of mass 13 kg is suspended by two strings of length 5 cm and 12...

    Text Solution

    |

  5. If the gravitional force between two objects were proportional to 1/R ...

    Text Solution

    |

  6. If x = 4t^(2) - 5t and y = 6t , then acceleration of a body is given b...

    Text Solution

    |

  7. A circular coil carrying a certain current produces a magnetic field B...

    Text Solution

    |

  8. The binding energy per nucleon curve is sharp for helium . This shows ...

    Text Solution

    |

  9. In the nuclear reaction , ""(1) H^(2) + ""(1) H^(3) = ""(2) He^(4) + X...

    Text Solution

    |

  10. The mass of a neutron

    Text Solution

    |

  11. Salol can be used as:

    Text Solution

    |

  12. The function of a moderator in a nuclear reactor is

    Text Solution

    |

  13. A candle flame gives

    Text Solution

    |

  14. A long wire carrying a steady current I lies in the plant of a circula...

    Text Solution

    |

  15. When the key K is pressed at time t = 0 , which one of the following s...

    Text Solution

    |

  16. Critical size is the minimum size of fissionable material for which fi...

    Text Solution

    |

  17. The R.M.S. value of the voltage in an A.C. circuit is 220 V. Its peak ...

    Text Solution

    |

  18. A current of 2 ampere passes through a wire for 8 seconds . Number of ...

    Text Solution

    |

  19. The measurement of voltmeter in the following circuit is

    Text Solution

    |

  20. Light of wavelength 6328 Å incident normally on a slit having a width ...

    Text Solution

    |