Home
Class 12
PHYSICS
Average density of the earth...

Average density of the earth

A

does not depent on g

B

is a complex function of g

C

is directly proportional to g

D

is inversely proportional to g

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    ALLEN |Exercise Exercise 5 B (Previous Year Questions)|9 Videos
  • GRAVITATION

    ALLEN |Exercise Illustration|34 Videos
  • GRAVITATION

    ALLEN |Exercise Exercise 4 B (Brain Storming Subjective Exercise)|20 Videos
  • GEOMETRICAL OPTICS

    ALLEN |Exercise subjective|14 Videos
  • KINEMATICS-2D

    ALLEN |Exercise Exercise (O-2)|47 Videos

Similar Questions

Explore conceptually related problems

Two equal masses each in are hung from a balance whose scale pans differ in vertical height by h . The error in weighing in terms of density of the earth rho is

Two immiscible of densities 2.5g//cm^(3) and 0.8g//cm^(3) are taken in the ratio of their masses as 2:3 respectively find the average density of the liquid conbination.

In a plane electromagnetic wave, the electric field oscillates sinusoidally at a frequency of 2.0 xx 10^(10) Hz and amplitude 48 V m^(–1) . (a) What is the wavelength of the wave? (b) What is the amplitude of the oscillating magnetic field? (c) Show that the average energy density of the E field equals the average energy density of the B field. [c = 3 xx 10^(8) m s^(-1).]

Escape velocity for earth surface is 11 km/s. If the radius of any planet is two times the radius of the earth but average density is same that of earth, then the escape velocity at the planet will be ........

Average densities of two planets is same but their radii are R_1 and R_2 . If the acceleration of gravity on planets are g_1 and g_2 respectively, then

A body is projected vertically upwards from the surface of the earth with a velocity equal to half of escape velocity of the earth. If R is radius of the earth, maximum height attained by the body from the surface of the earth is

The acceleration due to gravity g and mean density of earth rho are related by which of the following relations ? (G = gravitational constant and R = radius of earth)

Estimate the average mass density of a sodium atom assuming its size to be about 2.5Å. (Use the known values of Avagardo's number and the atomic mass of sodium). Compare it with the mass density of sodium in its crystalline phase : 970 kg m^(-3) . Are the two densities of the same order of magnitude ? If so, why ?

The energy flux of sunlight reaching the surface of the earth is 1.388 xx 10^(3) W//m^(2) . How many photons (nearly) per square metre are incident on the Earth per second? Assume that the photons in the sunlight have an average wavelength of 550 nm.

ALLEN -GRAVITATION-Exercise 5 A (Previous Year Questions)
  1. The time period of an earth satellite in circular orbit is independent...

    Text Solution

    |

  2. Suppose the gravitational force varies inversely as the n^(th) power o...

    Text Solution

    |

  3. Suppose the gravitational force varies inversely as the n^(th) power o...

    Text Solution

    |

  4. Average density of the earth

    Text Solution

    |

  5. The change in the value of g at a height h above the surface of the ea...

    Text Solution

    |

  6. A particle of mass 10g is kept on the surface of a uniform sphere of m...

    Text Solution

    |

  7. If gE and gM are the acceleration due to gravity on the surfaces of th...

    Text Solution

    |

  8. A planet in a distant solar systyem is 10 times more massive than the ...

    Text Solution

    |

  9. This question contains Statement -1 and Stantement -2 Of the four choi...

    Text Solution

    |

  10. The height at which the acceleration due to gravity becomes g/9 in ter...

    Text Solution

    |

  11. Two bodies of masses m and 4m are placed at a distance r. The gravitat...

    Text Solution

    |

  12. Two particles of equal mass 'm' go around a circle of radius R under t...

    Text Solution

    |

  13. The mass of a spaceship is 1000kg. It is to be launched from the earth...

    Text Solution

    |

  14. Four particles, each of mass M and equidistant from each other, move a...

    Text Solution

    |

  15. From a solid sphere of mass M and radius R, a spherical portion of rad...

    Text Solution

    |

  16. A very long (length L) cylindrical galaxy is made of uniformly distrib...

    Text Solution

    |

  17. The correct variation of gravitational potential V with radius r measu...

    Text Solution

    |

  18. A satellite is revolving in a circular orbit at a height 'h' from the ...

    Text Solution

    |

  19. Figure elliptical path abcd of a planet around the sun S such that the...

    Text Solution

    |

  20. An astronaut of mass m is working on a satellite orbitting the earth a...

    Text Solution

    |