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In the sun, helium is produced from hydrogen by:
a) Radioactive decay
b) Disintegration
c) Fission
d) Fusion
Ans:
Helium is produced from hydrogen by fusion, in the sun.
A thermocouple is used to calculates very high (2000 0 C) as well as very low (- 200 0 C) temperature in industries and laboratories. The thermocouple used to measure very high tem
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