Question #d02ff

2 Answers
Jan 29, 2018

#6 xx10^14 Hz#

Explanation:

#flamda=c#
#f=c/lamda= (3xx10^8m/s)/(500xx10^-9)=6 xx10^14 Hz#

Jan 29, 2018

#6.67xx10^14Hz#

Explanation:

Wavelength formula is #C=λf# or #λ=C/f# or #f = C/λ#,
so Frequency = Velocity divided by wavelength, where
#C# is the velocity, which is the speed of light: #3.00 × 10^8 m/sec#
#λ# is the wavelength in meters
#f# is the frequency in Hertz (cycles per second)
#f = 3.00 × 10^8 m/sec /4.5 xx 10^(-7) m = 6.67xx10^14Hz#