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CBSE Class 12-science Answered

Hi PL answer Tomo I have exam 
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Asked by jain.pradeep | 03 May, 2019, 04:46: PM
answered-by-expert Expert Answer
(B) III only
 
AS the tuning knob is changed, tension in the string is changed. Velocity of wave in the string depends on tension.
Wavelength depends on length of string, hence does not depend on tension.
Frequency changes with tension, because tension changes the velocity of wave.
Answered by Thiyagarajan K | 04 May, 2019, 06:32: AM
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