Homework Statement
A slab of glass has a refractive index of 1.3. What will be the speed of light in this glass?
Homework Equations
The Attempt at a Solution
\frac{sin i}{sin r}=1.3
?
Homework Statement
The speed of light is 3 x 10^8 m/s. Blue light has a wavelength of about 450nm (nm = 10^-9 m). Calculate the frequency of this light
Homework Equations
v=f\lambda
The Attempt at a Solution
3 x 10^8 = f x 450
f = \frac{3 times 10^8}{450}