Home
Class 12
PHYSICS
The earth takes 24h to rotate once about...

The earth takes 24h to rotate once about its axis. How much time does the sun take to shift by `1^(@)` when viewed from the earth ?

Text Solution

Verified by Experts

Time taken for `360^(@)` shift = 2th
time taken for `1^(@)` shift = `(24)/(360h) ` = 4 min
Promotional Banner

Topper's Solved these Questions

  • RAY OPTICS AND OPTICAL INSTRUMENTS

    NEW JOYTHI PUBLICATION|Exercise SOLUTIONS TO EXERCISES FROM NCERT TEXT|53 Videos

  • RAY OPTICS AND OPTICAL INSTRUMENTS

    NEW JOYTHI PUBLICATION|Exercise PRACTICE PROBLEMS FOR SELF ASSESSMENT|20 Videos

  • NUCLEI

    NEW JOYTHI PUBLICATION|Exercise COMPETITIVE EXAM CORNER|23 Videos

  • SEMICONDUCTOR ELECTRONICS : MATERIALS , DEVICES AND SIMPLE CIRCUITS

    NEW JOYTHI PUBLICATION|Exercise COMPETITIVE EXAM CORNER|37 Videos

Similar Questions

Explore conceptually related problems

The earth takes almost………...hours to rotate about itself.

If the Earth stops rotating about its own axis, g remains unchanged at

A tank fills completely in 2 hours if both the taps are open. If only one of the taps is open at the given time, the smaller tap takes 3 hours more than the larger one to fill the tank. How much time does each tap take to fill the tank completely.

A rectangular vessel when full of water, takes 10 min to be emptied through an orifice in its bottom. How much time will it take to be emptied when half filled with water?

If the Earth stops rotating about its axis, then by what value will the acceleration due to gravity change at the equator?

Moon is the natural satellite of Earth a f it takes 37 days to go once around its orbit. Calculate the distance of the Moon from the surface of the Earth assuming the orbit of the Moon as circular.

An electric kettle takes 4A current at 220V . How much time will it take to boil 1 Kg of water from temperature 20^@ ? The temperature of boiling water is 100^@C .

The rate constant for a first order reaction is 60 s^(-1) . How much time will it take to reduce the initial concentration of the reactant to its (1^(th))/(16) values ?

NEW JOYTHI PUBLICATION-RAY OPTICS AND OPTICAL INSTRUMENTS -COMPETITIVE EXAM CORNER
  1. The earth takes 24h to rotate once about its axis. How much time does ...

    Text Solution

    |

  2. A 100 W bulb produces an electric field of 2.9 V/m at a point 3m away....

    Text Solution

    |

  3. The focal length of the objective and of the eye- piece of compound mi...

    Text Solution

    |

  4. The velocity of a moving galaxy is 300 kms^(-1) and the apparent chang...

    Text Solution

    |

  5. An astronomical telescope has an angular magnification of magnitude 5 ...

    Text Solution

    |

  6. If the reflected image formed is magnified and virtual, then the mirro...

    Text Solution

    |

  7. A vessel of depht 'x' is half filled with oil of refractive index mu(1...

    Text Solution

    |

  8. For an angle of incidence theta on an equilateral prism of refractive ...

    Text Solution

    |

  9. The power of a biconvex lens is 10 dioptre and the radius of corvature...

    Text Solution

    |

  10. The focal length of the lens of refractive index (mu = 1.5) in air is ...

    Text Solution

    |

  11. A glass prism of refractive index 1.5 is immersed in water (mu = (4)/(...

    Text Solution

    |

  12. A ray of light is incident at 60^(@) on one face of a prism of angle 3...

    Text Solution

    |

  13. An object is kept at a distance of 60 cm from a concave mirror. For ge...

    Text Solution

    |

  14. If the speed of light in material A is 1.25 times its speed in materia...

    Text Solution

    |

  15. The resolving power of a microscope is

    Text Solution

    |

  16. The least distance of distance vision of a person is 75 cm. The focal ...

    Text Solution

    |

  17. The focal lengths of the objective and the eyepiece of the telescope a...

    Text Solution

    |

  18. The angle of incidence for an equilateral prism of refractive index sq...

    Text Solution

    |

  19. The sunlight reaches us as white light and not as its compounts becaus...

    Text Solution

    |

  20. The apparent flattening of the sun at sunset and sunrise is due to

    Text Solution

    |

  21. Identify the mismatch in the following

    Text Solution

    |