The wavelengthwavelength of red light is 6500 Ã . IF velocity of light is 3 × 10 raise to 8 metre per second calculate the frequency and time period.
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The formula for frequency is: f (frequency) = 1 / T (period). f = c / λ = wave speed c (m/s) / wavelength λ (m).
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Here V is velocity lambda is wavelength and f is frequency. T is time period. This is an approximation as the answers can differ. I took 3/65 =0.04
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