Which of the choices below best represents the distance between the source and t

Question

Which of the choices below best represents the distance between the source and the piece of paper, as measured in terms of the wavelength, ?, of the periodic wave.

Question 2.

Explain the reasoning you used to obtain your answer to the preceding question.

Question 3.

Which of the choices below best describes the wavelength of the periodic wave after the frequency of the source is doubled.

Question 4.

Explain the reasoning you used to obtain your answer to the preceding question.

Question 5.

Which of the choices below best represents the distance between the source and the piece of paper, as measured in terms of the wavelength of the periodic wave after the frequency is doubled.

Question 6.

Explain the reasoning you used to obtain your answer to the preceding question.

? 3?/2 2? 5?/2 3? 5? None of the above Not enough information to determine. 4

Explanation / Answer

Question 1 : 5 lambda/2

Question 2 : because the distance between crest to trough is (half of lambda). therefore the distance from source to A is 5 times the (lambda/2)

Question 3 : Frequency doubled means the wavelength is halved.

Question 4: since the wavelength and frequency are inversly proportional to each other.

Question 5: 5times the lambda new

Question 6: now the new wavelength is half to the old one therefore in the same distance at A it finishes 5 complete waves.

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