Home
Class 12
PHYSICS
Steradian is the solid angle subtended a...

Steradian is the solid angle subtended at the centre of the sphere by its surface whose area is equal to ____ of the sphere.

A

the radius

B

square of the radius

C

cube of the radius

D

reciprocal of the radius

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • UNITS AND MEASUREMENTS

    AAKASH SERIES|Exercise EXERCISE- 1 B|29 Videos

  • UNITS AND MEASUREMENTS

    AAKASH SERIES|Exercise EXERCISE -2|56 Videos

  • UNITS AND MEASUREMENTS

    AAKASH SERIES|Exercise PROBLEM|50 Videos

  • UNITS AND MEASUREMENT

    AAKASH SERIES|Exercise PRACTICE EXERCISE|45 Videos

  • WAVE MOTION

    AAKASH SERIES|Exercise PRACTICE SHEET ADVANCED (INTEGER TYPE QUESTIONS)|10 Videos

Similar Questions

Explore conceptually related problems

The radius of sphere is 3.5 cm Find its surface area and volume .

Surface area of a sphere is

The side of a cube is equal to the radius of a sphere. If the side and the radius increase at the same rate, show that the surface area of the cube increases slower than that of the sphere.

The curved surface area of a sphere will be ……., whose radius is 10 cm.

Three identical spheres each of diameter 2 sqrt(3) m are kept on a horizontal surface such that each sphere touches the other two spheres. If one of the sphere is removed, then the shift in the position of the centre of mass of the system is

Angle subtended by an arc at its centre is ‘x^@’ then, angle subtended by it at any other point on the circle is

The sum of the surfaces of a sphere and a cube is given. Show that when the sum of their volumes is least, the diameter of the sphere is equal to the edge of the cube.

If the ratio of radii of two spheres is 2:3 then the ratio of their surface areas is

The surface areas of two spheres are in the ratio 1:4 then, ratio of their volumes is

AAKASH SERIES-UNITS AND MEASUREMENTS-EXERCISE -1 A
  1. J Kg^(-1) K^(-1) is the unit of

    Text Solution

    |

  2. The ratio of SI Unit of CGS unit of Planck's constant is

    Text Solution

    |

  3. Steradian is the solid angle subtended at the centre of the sphere by ...

    Text Solution

    |

  4. Dimensional formula of coefficient of viscosity is

    Text Solution

    |

  5. ML^(-1) T^(-2) is the dimensional formula of

    Text Solution

    |

  6. Heat and Thermal capacity differ in the dimensions of

    Text Solution

    |

  7. Force constant and surface tension have the same dimensions in

    Text Solution

    |

  8. Quantity having units but no dimensions is

    Text Solution

    |

  9. (x^2)/("mass") has dimensions of kinetic energy. Then x has the dimens...

    Text Solution

    |

  10. The quatity having negative dimensions in mass is

    Text Solution

    |

  11. h d G has the dimensions of (h = height , d = density , G = Gravitatio...

    Text Solution

    |

  12. The quantity having dimensions only in temperature is

    Text Solution

    |

  13. The dimensional formula of Areal velocity is

    Text Solution

    |

  14. If R is the Rydberg constant , C is the velocity and h is the planck's...

    Text Solution

    |

  15. If x times momentum is work , then the dimensions of x are

    Text Solution

    |

  16. The dimensional formula of magnetic induction is

    Text Solution

    |

  17. The physical quantity which has dimensional formula as that of ("Energ...

    Text Solution

    |

  18. The modulus of elasticity is dimensionally equivalent to

    Text Solution

    |

  19. Planck's constnat has the same dimensions as

    Text Solution

    |

  20. The fundamental unit which has the same power in the dimensional formu...

    Text Solution

    |