Physics
WAEC 1990
A tuning fork sounds louder when its stem is pressed against a table top than when held in air because
-
A.
a larger mass of air is set vibrating by the table top
-
B.
the whole table vibrates in resonance
-
C.
the whole table has acquired a larger frequency
-
D.
the fork and table have the same frequency
-
E.
the amplitude of the vibrating fork is increased.
Correct Answer: Option C
Explanation
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