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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.
Explain Thermal Physics and Quanmtum mechanics Thermal Physics , in which one studies the nature of heat and the changes that the addition of heat brings about in matter.
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Differentiate between teporary and permanent magnet
is always del U o in cyclic process
What is the Specific Heat of Copper? Ans) 387 J/Kg. C or 0.0924 Cal/g.C
the magnetic field at a dictance of 2cm from the axis of a straight conductor carrying current is 12mT.Find the currentin the conductor?
A ball of mass 0.7 kg is dropped vertically from a height of 10 m onto a concrete floor. The ball is observed to bounce a number of times before coming to rest. The coefficient of
industrial application of ultrasonic welding
a) The molar mass of air is 28.97 kg/kmol and the universal gas constant is 8.314 kJ/(kmolK). Show by calculation that the particular gas constant of air is around 0.287 kJ/(kgK)
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