Question

tex]\huge\mathcal{Question}[/tex]

${⟹}$The sound from a mosquito is produced when it vibrates its wings at an average rate of 500 vibrations per second. What is the time period of the vibration?

${⟹}$A pendulum oscillates 40 times in 4 seconds. Find its time period and frequency.​

Answer 1

Answer:

Frequency = 500 vibrations/second. = (1/500) = 0.002 sec...

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Answer 2

$\huge\red{\underline{{\bf Answer\:1 :-}}}$

${:⟹}$ Frequently = 500 Hz

${:⟹}$ Time period = 1/Frequency

${:⟹}$ 1/500

${:⟹}$ 0.002 seconds

$\huge\red{\underline{{\bf Answer\:2 :-}}}$

${:⟹}$ No.of oscillations in 4 seconds = 40

${:⟹}$ No.of oscillations in 1 second (frequency) = 4/40

${:⟹}$ 10 Hz

${:⟹}$ Time period = 1/Frequency

${:⟹}$ 1/10

${:⟹}$ 0.1 second