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Question

The centre of the sun consists of gases whose average molecular weight is 2. If the density of the gases is 2.73 x 103kg/ m3 at a pressure of 1.12 x 109 atm, the temperature at the centre of the Sun is (assuming ideal behavior)


  1. 108K

  2. 106C

  3. 107K

  4. 109K


Solution

The correct option is C

107K


d = PMRT T = PMRd 

p = 1.12 × 109 , d = 2.73 × 103 kg / m3

M= 2

T = 1.12×109×222.4273×2.73×103

T = 107 K

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