What is the wavelength of the light in the glass

Reference no: EM13339061

In a physics lab, light with a wavelength of 570nmtravels in air from a laser to a photocell in a time of 17.0ns . When a slab of glass with a thickness of 0.890m is placed in the light beam, with the beam incident along the normal to the parallel faces of the slab, it takes the light a time of 21.5ns to travel from the laser to the photocell.

What is the wavelength of the light in the glass?

Use 3.00×108m/s for the speed of light in a vacuum. Express your answer using two significant figures.

Reference no: EM13339061

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