Atoms And Nuclei Question 220

Question: 1 g of hydrogen is converted into 0.993 g of helium in a thermonuclear reaction. The energy released is [EAMCET (Med.) 1995; CPMT 1999]

Options:

A) 63×107J

B) 63×1010J

C) 63×1014J

D) 63×1020J

Show Answer

Answer:

Correct Answer: B

Solution:

Δm=10.993=0.007 gm
E=(Δm)c2=(0.007×103)(3×108)2 =63×1010J .



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