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② Threshold frequency ofa photo electric cell as 5.oox104 HZ. Il a light say of 6 x 10'4 Hz frequency dieincised onitthem17 whether electron will emit or not.is what will happened? If intensity of incident Lightis increase.mis what will happened? It frequency of incidentof incidentMayis increase to 7x1014 Haz |
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Answer» VELOCITY V=340m/s Frequency f=20,000Hz Wavelegth λ=? V=f.λ λ=FV=20,000340=0.017Hz Also, Given (in WATER) Velocity, V=1480m/s Frequencyf=20,000Hz wavelength, λ=? V=F.λ λ=FV=20,0001480=0.074Hz |
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