In the solar system, the Sun is in the focus of the system for Sun-Earth binding system. Then the binding energy for the system will be [given that radius of the earth's orbit round the Sun is 1.5×1011m and mass of the earth =6×1024kg]
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a
2.7×1033J
b
5.4×1033J
c
2.7×1030J
d
5.4×1030J
answer is A.
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Detailed Solution
Binding energy =GMm/RM= mass of the Sun =1030kgm= mass of the earth =6×1024kgR=1.5×1011mBinding energy of the system is6.67×10−11×1030×6×10241.5×1011=2.7×1033J
In the solar system, the Sun is in the focus of the system for Sun-Earth binding system. Then the binding energy for the system will be [given that radius of the earth's orbit round the Sun is 1.5×1011m and mass of the earth =6×1024kg]