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Frequency, wavelength, and period are some important aspects about waves. Which of the following statements are...

Frequency, wavelength, and period are some important aspects about waves. Which of the following statements are true about them? Select all that apply.

A. Multiplying period and wavelength tells us the speed of a wave.

B. A wave with a small frequency will have a short period.

C. Wavelength can be measured using the distance between the peaks of the disturbances.

D. Multiplying wavelength and frequency results in the speed of the wave.

E. A wave with a large period will have a small frequency.

Science   Physics   
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Homework Answers

Answer #1

Suppose,

f = frequency

= wavelength

v = speed of the wave.

Then the formula for the speed of the wave is given as,

v = f* ----------------------------------------------(i)

Also, period of the wave, T = 1/f ----------------------------(ii)

put this in equation (i),

v = /T ------------------------------------------------(iii)

(A) From equation (iii), speed of the wave = wavelength / period. So, this statement is FALSE.

(B) FALSE. Small frequency means large period.

(C) TRUE.

(D) From equation (i), this is TRUE.

(E) TRUE. From equation (ii).

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