Self Studies

Communication S...

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  • Question 1
    4 / -1

    Hubble showed that the universe as a whole is expanding and the distant stars are receding from us. The spectral line from a star, when compared with the corresponding line from a source will then show

  • Question 2
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    The solar constant on the surface of the earth is S. What will be it value on the surface of another planet which is about 5.3 A.U. away from sun?

  • Question 3
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    CO2 gas is found in which of the following pairs of the planet?

  • Question 4
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    The wavelength of maximum energy, released during an atomic explosion, was 2.93×10–10 m. Given that the Wien\'s constant is 2.93 × 10–3 m K, the maximum temperature attained must be of the order of

  • Question 5
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    Black hole is a

  • Question 6
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    A planet of mass M has a satellite of mass m, revolving around the planet in a circular orbit of radius r and time period T. The mass (M) of the planet is

  • Question 7
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    The age of universe is believed to be

  • Question 8
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    Sun radiates continuously and maintains its brightness because

  • Question 9
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    Venus appears brighter than other stars because

  • Question 10
    4 / -1

    There is no atmosphere on moon because

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