Flag Wave Motion> can you please solve question 1 as soon a...
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can you please solve question 1 as soon as possible

YASH AHUJA , 8 Years ago
Grade 11
anser 2 Answers
Manish Tiwari
The correct answer is B.
In order to solve the question properly you need to use the standard wave eqution in terms of w,lamda and t.
Last Activity: 8 Years ago
Khimraj
since cos2\Theta = ½(1 + cos2\Theta)
So
y = A/2[1+cos2(2πnt – 2π(x/\lambda)]
Then
y = A/2 + A/2[cos(4πnt – 4π(x/\lambda)]
So Amplitude is A/2
frequency is 2n
and wavelength is \lambda/2.
Hope it clears.
Last Activity: 8 Years ago
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