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 lines under influence of electric field is called stark effect [d] Electromagnetic effect: It is production of magnetic effect by moving charge So answer is [a]
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