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2.47    Neon gas is generally used in the sign boards. If it emits strongly at 616 nm, calculate (d) number of quanta present if it produces 2 J of energy.

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If it produces 2J of energy then, the number of quanta present in it will be 'N'.

Therefore,

E=Nh\nu  or  N=\frac{E}{h\nu},

Where E = 2J and h\nu = 32.27\times10^{-20}J   from the previous part.

N=\frac{2J}{32.27\times10^{-20}J} = 6.2\times10^{18}

 

 

Posted by

Divya Prakash Singh

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