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Which of the following statements are correct?
A) In an atom, the magnitude of velocity of an electron increases, with increase of positive charge on the nucleus
B) Bohr’s theory was unable to explain Zeeman effect (or) Stark effect
C) The element Hydrogen was discovered in the Sun by spectroscopic method
D) An absorption spectrum is like the photographic negative of an emission spectrum

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A & B only

B,C,D only

A,B,D only

A,C,D only

answer is C.

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