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What happens to the heat supplied at points where there is no increase in temperature?

June 3, 2026Physics

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2 parts

\text{40 m/s}

\text{0.025 s}

3 steps

Amplitude is the maximum displacement of a point on a wave or vibrating body from its equilibrium position.

Determine the wavelength ( $\lambda$ ) from Figure B5.1.
The figure shows that a distance of $1.5 \text{ m}$ corresponds to 1.5 complete wavelengths.
$1.5 \lambda = 1.5 \text{ m}$ $\lambda = \frac{1.5 \text{ m}}{1.5} = 1 \text{ m}$
Calculate the speed of the wave ( $v$ ) using the formula $v = f \lambda$ .
Given frequency $f = 40 \text{ Hz}$ .
$v = (40 \text{ Hz}) \times (1 \text{ m})$ $v = 40 \text{ m/s}$
The speed of the wave is $\boxed{\text{40 m/s}}$ .

Calculate the period ( $T$ ) of the wave using the formula $T = \frac{1}{f}$ .
Given frequency $f = 40 \text{ Hz}$ .
$T = \frac{1}{40 \text{ Hz}}$ $T = 0.025 \text{ s}$
The period of the wave is $\boxed{\text{0.025 s}}$ .

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