Question

Frequencies of two tuning forks are 100Hz and 250Hz, find the difference in their time period. Also find frequencies of second hand and minute hand of a clock​

Answer 1

Frequencies of two tuning forks are 100Hz and 250Hz, find the difference

Answer 2

Answer:

The frequency (f) of a wave is the number of full wave forms generated per second. This is the same as the number of repetitions per second or the number of oscillations per second.

Time Period (T) is the number of seconds per waveform, or the number of seconds per oscillation. It is clear that frequency and period are reciprocals.

For second hand, period = 1 min = 60 s; The frequency =

t

1

=

60

1

=0.0167Hz.

For minute hand, period = 1 hr = 3600 s; The frequency =

t

1

=

3600

1

=2.77×10

−4

Hz.

For hour hand, period = 12 hrs = 43200 s; The frequency =

t

1

=

43200

1

=2.3×10

−5

Hz.

Explanation:

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