The light of fluorescent tube appears cooler than that from an incandescent lamp. This is due to the fact that. O The tube consumes less power O Tungsten is not used in the tube O Surface area of tube is larger than that of the incandescent lamp O The tube is coated with phosphor

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Q: 3. Prove the probability of finding electrons cqual zero, if E> Ey at 0'k temperature.

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Q: Solar energy is produced by ___________ reaction between Hydrogen atoms to form Helium atoms.

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Coulomb’s Law

Coulomb's law states that the attraction or repulsion force between two charged things is proportional to the product of their charges and inversely proportional to the square of their distance. It has an effect along the line that connects the two-point charges.