137k views
6 votes
The wavelength of infrared light is 1000 nm. What is the frequency in Hz? c=3.00x10^8m/s

ans choices are
3.0x10^14
4.0x10^15
1.0x10^13
2.0x10^14
4.0x10^14

1 Answer

13 votes


\\ \tt\Rrightarrow \\u=(c)/(\lambda)

  • v is frequency
  • lambda is wavelength


\\ \tt\Rrightarrow \\u=(3* 10^8)/(1000* 10^(-9))


\\ \tt\Rrightarrow \\u=0.003* 10^(17)s^(-1)


\\ \tt\Rrightarrow \\u=3* 10^(14)Hz

User Matt DiMeo
by
4.5k points