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WB JEE 2017
MCQ (Single Correct Answer)
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Which one of the following corresponds to a photon of highest energy?
A
$$\lambda$$ = 300 mm
B
v = 3 $$\times$$ 108 s$$-$$1
C
$$\overline v $$ = 30 cm$$-$$1
D
$$\varepsilon $$ = 6.626 $$\times$$ 10$$-$$27 J
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