6. Two sinusoidal waves travel in the same medium but one with twice the wavelen

Question

6. Two sinusoidal waves travel in the same medium but one with twice the wavelength of the other. Which of the following statements is true? The wave with the longer wavelength has (a) higher speed (b) lower speed (c) higher frequency (d) lower frequency 7. When a wave crest is incident upon a free end of a string, it returns as a (crest trough) after reflection; therefore, when a trough is incident upon a free end, it must return as a (crest trough) after reflection. c. Trough, crest d. Trough, trough a. Crest, crest b. Crest, trough (crest trough) after When a wave crest is incident upon a fixed end of a string, it returns as a reflection; therefore, when a trough is incident upon a free end, it must return as a after reflection. 8. (crest trough) a. Crest, crest b. Crest, trough c. Trough, crest d. Trough, trough 9. The speed of the reflected pulse isthe speed of the incident pulse a. the same b. greater than C. less than 10. The wavelength of the reflected pulse is the wavelength of the incident pulse C. less than a. the same b. greater than 11. The amplitude of the reflected pulse is the amplitude of the incident pulse a. the same b. greater than C. less than

Explanation / Answer

(6)The answer is (d)

(7)The answer is (b)

(8)The answer is (c)

(9)The answer is (a)

(10)The answer is (a)

(11)The answer is (c)

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