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If wavelength of maximum intensity of radiation emitted by sun and moon are `0.5 xx 10^(-6)` m and `10^(-4)` m respectively then the ratio of the temperature is

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If wavelength of maximum intensity of radiation emitted by sun and moon are 0.5xx10^(-6) m and 10^(-4) m respectively. Calculate the ratio of their temperatures

If wavelengths of maximum intensity of radiations emitted by the sun and the moon are 0.5xx10^(-6)m " and " 10^(-4) m respectively, the ratio of their temperature is ……………

Knowledge Check

  • The wavelength of maximum intensity of radiation emitted by a star is 289.8 nm . The radiation intensity for the star is : (Stefan’s constant 5.67 xx 10^(-8)Wm^(-2)K^(-4) , constant b = 2898 mu m K )-

    A
    `5.67 xx 10^(8) W m^(-2)`
    B
    `5.67 xx 10^(12) W m^(-2)`
    C
    `10.67 xx 10^(7) W m^(-2)`
    D
    `10.67 xx 10^(14) W m^(-2)`

  • The wavelength lambda_(m) of maximum intensity of emission of solar radiation is lambda_(m) = 4753 Å and from moon is lambda_(m) = 14 mum The surface temperature of sun and moon are (given b = 2.898 xx 10^(-3) meter/Kelvin)

    A
    6097 K, 207 K
    B
    8097 K, 307 K
    C
    10,000 K, 400 K
    D
    3000 K, 100 K

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    At what distance (in metre) from the centre of the Moon,the intensity of gravitational field will be zero? (Take, mass of Earth and Moon as 5.98xx10^(24) kg and 7.35xx10^(23) kg respectively and the distance between Moon and Earth is 3085xx106(8) m)

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