A) Zeeman effect
B) photoelectric effect
C) Stark effect
D) electromagnetic effect
Correct Answer: A
Solution :
Key Idea: Define all terms to get correct answer. (a) Zeeman effect: It is splitting of spectral lines under the influence of magnetic field. (b) Photoelectric effect: Ejection of electrons from metal surface when light of suitable wavelength strikes surface of metal is called photoelectric effect (c) Stark effect: Splitting of spectral line under influence of electric field is called stark effect Electromagnetic effect: It is production of magnetic effect by moving charge So answer is (a)
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