The displacement of a wave is given by y = 0.002 (100t + x) where 'x' and 'y' are in metre and 't' is in second. This represents a wave

MHT CET 2024 Physics question

The displacement of a wave is given by where 'x' and 'y' are in metre and 't' is in second. This represents a wave

(A)of wavelength one metre
(B)travelling with a velocity of 100 m/s in the negative x- directionCorrect
(C)of frequency Hz
(D)travelling with a velocity of m/s in the positive x-direction

Answer: (B)

Solution

Compare with the standard wave which travels in the negative x-direction (the plus sign between and ). Here and . Wavelength (not 1 m, so (A) is wrong).

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Question ID VK-093043