Home
Class 11
PHYSICS
Light year is a unit of...

Light year is a unit of

A

Time

B

Mass

C

Distance

D

Luminosity

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • OPTICS

    CHETANA PUBLICATION|Exercise EXERCISE|80 Videos

  • SOUND

    CHETANA PUBLICATION|Exercise EXERCISE|145 Videos

Similar Questions

Explore conceptually related problems

Right or wrong . If wrong , write the correct sentence : Light year is used to measure time .

Light is

Two stars distance two light years are just resolved by a telescope . The diameter of the telescope lens is 0.25 m . If the wavelength of light used in 5000 overset (@)(A) , then the minimum distance between the stars is

If the sum of two unit vectors is a unit vector, then magnitude of difference is-

If hat(i) denotes a unit vector along incident light ray, hat( r) a unit vector along refracted ray into a medium of refractive index mu and hat(n) unit vector normal to boundary of medium directed towards incident medium, then law of refraction is

Answer the following questions : What is the commercial unit of electric energy? Obtain the relation between this unit and the SI unit of energy.

In burglar alarm, infrared beam of light is used instead of visible light, because

During scattering of light, the amount of scattering is inversely proportional to of wavelength of light

Light travels as a

CHETANA PUBLICATION-SEMICONDUCTORS-EXERCISE
  1. Derive expression for final velocities v1 and v2 for an Elastic collsi...

    Text Solution

    |

  2. The magnitude of scaler product of two unit vectors perpendicular to e...

    Text Solution

    |

  3. Light year is a unit of

    Text Solution

    |

  4. For a particle having a uniform circular motion, which of the followin...

    Text Solution

    |

  5. The dimension for Torque is

    Text Solution

    |

  6. The weight of a particle at the centre of the earth is

    Text Solution

    |

  7. The ability of a material to resist fracturing when force is applied t...

    Text Solution

    |

  8. If alpha, beta, and gamma are coefficients of linear, area l and volum...

    Text Solution

    |

  9. What is thermal stress?

    Text Solution

    |

  10. Define Poisson's ratio.

    Text Solution

    |

  11. Draw a graph showing the variation of gravitational acceleration due t...

    Text Solution

    |

  12. Define coefficient of restitution

    Text Solution

    |

  13. Define : Free fall

    Text Solution

    |

  14. vec A = 2 hat i + 3 hat j + 4 hat k and vec B = hat i - 2 hat j + 3 ha...

    Text Solution

    |

  15. Write the dimension value of power & pressure.

    Text Solution

    |

  16. The diameter of a sphere is 2.14 cm, calculate the volume of the spher...

    Text Solution

    |

  17. Show that vectors vec a = 2 hat i + 5 hat j + 6 hat k and vec b = hat ...

    Text Solution

    |

  18. If the motion of an object is described by x = f(t). Write formula for...

    Text Solution

    |

  19. Justify the statement, "Work and energy are the two sides of a coin.''

    Text Solution

    |

  20. Calculate the speed of a satellite in an orbit at a height of 1000 km ...

    Text Solution

    |