the time period of a wave is 4 into 10 ki power minus 3 and its wavelength is 60 find the frequency and speed of wave
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Answer:
Wavelength can be calculated using the following formula: wavelength = wave velocity/frequency. Wavelength usually is expressed in units of meters. The symbol for wavelength is the Greek lambda λ, so λ = v/f.
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Given
time= 4×10-³
λ = 60cm
frequency = 1 ÷ time
f=1 ÷ 4×10-³ =250hz
v = f λ = 25×6 = 150m/s
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