What is its speed in the glass and frequency

Reference no: EM13548311

The wavelength of red helium–neon laser light in air is 632.8 nm.

(a) What is its frequency?
Hz

(b) What is its wavelength in glass that has an index of refraction of 1.51?
nm

(c) What is its speed in the glass?
Mm/s

Reference no: EM13548311

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