# physics

posted by .

How long does it take light to travel through a 3.3 mm-thick piece of window glass?

• physics -

Index of reflection (glass)
n=c/v,

v=nc,
s=vt,
t=s/v =s/nc,
where
c=3•10⁸ m/s.

## Similar Questions

1. ### physics

A laser beam enters a .125 m thick glass window at an angle of 39° (from the normal). The index of refraction of the glass is 1.46. At what angle from the normal does the beam travel through the glass?
2. ### physics

A laser beam enters a .125 m thick glass window at an angle of 39° (from the normal). The index of refraction of the glass is 1.46. At what angle from the normal does the beam travel through the glass?
3. ### physics

How long does it take light to travel through a 3.2mm -thick piece of window glass?
4. ### physics

8. a light beam enters a piece of window glass (n=1.47) at an incidence angle of 59. Find the angle it makes to the normal as it exists from the other side of the flat window glass. What general rule can you conclude?

A 5.7 cm thick layer of oil (n=1.46) is sandwiched between a 1.1cm-thick sheet of glass and a 2.5cm -thick sheet of polystyrene plastic (n=1.59). How long (in nm) does it take light incident perpendicular to the glass to pass through …
6. ### physics

How long does it take light to travel through a 2.7 mm-thick piece of window glass?
7. ### Calculus

Question : Light is absorbed when it passes through a glass window. If r % of light is absorbed by a glass with thickness w, then the percent of light that is absorbed by a piece of glass with a thickness of nw for any natural number …
8. ### physics

When you look through a 3.7 mm thick window comprised of a material whose refractive index is 1.59, by what time interval is the light you see delayed by having to go through glass instead of air?
9. ### physics

When you look through a 3.7 mm thick window comprised of a material whose refractive index is 1.59, by what time interval is the light you see delayed by having to go through glass instead of air?
10. ### Physics

a ray of light strikes a flat, 2-cm thick block of glass(n=1.5) at an angle of 30 degrees with respect to the normal. find the angle of refraction at the top surface. find the angle of incidence at the bottom surface and the refracted …

More Similar Questions