Dual Nature of Radiation and Matter - Result Question 66
70. When light of wavelength (nanometer) falls on a photoelectric emitter, photoelectrons are liberated. For another emitter, however, light of wavelength is sufficient for creating photoemission. What is the ratio of the work functions of the two emitters?
[1993]
(a)
(b)
(c)
(d)
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Answer:
Correct Answer: 70. (b)
Solution:
(b)