Question

please give me answer pls ​

Answer 1

V = lembda T

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Answer 2

⭐《QUESTION》

↗The usual notation for speed of a progressive wave?

⭐《ANSWER》

↪Actually welcome to the concept of the WAVE MOTION

↪Basically if we see here , we know that the progressive wave are those waves that are moving or propogaing in a given direction ..

↪The motion of the progressive wave is always perpendicular to the motion of the particles performing the SIMPLE HARMONIC MOTION..

↪Generally we know than WAVE VELOCITY IS GIVEN BY

↪V = n * lambda

↪since here the V = velocity , n = frequency and lambda = wavelength

↪thus then rearranging we get as ..

↪n = V/ lambda

↪thus The correct option is b.) n=V/lambda

↪Also we know that..

↪T = 1/n

↪here T = time period and n= frequency ..
the also

↪option A.) V = lambda T is correct