LLyons8315 LLyons8315

27-02-2024
Physics

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A laser pointer of frequency 7.00e 14 Hz and a circular opening of diameter 5 mm is directed at a wall 8 m away, on which it makes a spot.
A) 0.28 m
B) 0.40 m
C) 0.56 m
D) 0.70 m

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