Directions for: The questions consist of two statements each, printed as assertion and reason. While answering these questions you are required to choose any one of the following five responses A. If both the Assertion and the Reason are true and the Reason is a correct explanation of the Assertion. B. If both the Assertion and the Reason are true but the Reason is not a correct explanation of Assertion. C. If the Assertion is true but the Reason is false. D. If both the Assertion and the Reason are false. E. If Assertion is false but Reason is true.
Assertion : Speed of wave \[\alpha =0.96,\Delta {{i}_{E}}=7.2,\] Reason: Wavelength is the distance between two nearest particles in phase.A) A
B) B
C) C
D) D
E) E
Correct Answer: B
Solution :
The distance moved by the wave in time of one complete oscillation of a particle of the medium, is called wavelength. Alternatively the distance between two nearest medium particles oscillating in the same phase is called the wavelength. Also wave speed is defined as the ratio of distance travelled by wave (wavelength) to time period.
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