Plz answer this ques fast its urgent...ques 15 part B.
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a) To avoid echoing of voice
b) 1)E=1/2 mv2
E=hv
h=6.626. (10 - 34)
E=6.626(10-34)X256
V= c/wavelength
I HOPE NOW YOU WOULD BE ABLE 2CALCULATE IT FURTHER
THE SAME IS D METHOD FOR SECOND PART
b) 1)E=1/2 mv2
E=hv
h=6.626. (10 - 34)
E=6.626(10-34)X256
V= c/wavelength
I HOPE NOW YOU WOULD BE ABLE 2CALCULATE IT FURTHER
THE SAME IS D METHOD FOR SECOND PART
denistravelp3ve2y:
on this app
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2
Answer:
this is your answer dear...
340m/s = 0.85m * fqHz
fq = 340/0.85 = 400HZ
m = meters
s= second
Hz = Hertz
wv = wavelength
fq = frequency....
please mitali rate my answer
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