WorksheetsSnell's Law test
Total questions: 10
Worksheet time: 8mins
Snell's Law describes the relationship between the ________ angle and the _______ angle of waves passing through two different media
incident - reflected
incident - refracted
incident - bounced
answer is not here
If light travels from a higher to a lower index of refraction medium the light will
bend away from the vertical axis or may not refract
bend closer to the vertical axis
not bend
answer is not here
If light travels from a lower to a higher index of refraction medium the light will
bend away from the vertical axis
bend closer to the vertical axis
not bend
answer is not here
A higher index of refraction means that the wave travels _____________ the speed of light in a vacuum in that medium.
Faster than
Slower than
Equal to
Answer is not here
Light travels from air (n = 1.000) into an optical fiber. If the angles of incidence and refraction are 22oand 15º respectively. what is the index of refraction inside the fiber? Round off your values to 3 sig. figs.
1.45
1.44
0.69
0.70
The index of refraction, is defined as the ratio of the speed of light in a vacuum (c = 3x10^8 m/s) to the speed of light in a medium. What is the index of refraction of a medium where the speed of light is 0.7c ? Round off your values to 3 sig. figs.
1.42
1.43
1.28
1.29
Find the speed of the refracted wave using the wave equation: v = (f)(L)
*Where v = speed of the wave, f = frequency and L = Wavelength.
And the following data set:
L1= 650nm
V1 = 0.71c
V2 = 0.41c
*Remember that:
For medium 1, we have V1= (f)(L1)
For medium 2 we have V2=(f)(L2).
528 nm
800 nm
375 nm
1126 nm
For light passing across the boundary from higher to lower index of refraction medium, the angle of refraction is always _________________________
greater than the angle of incidence
less than the angle of incidence
equal to the angle of incidence
Light travels from water (n = 1.333) into an unknown medium. If the angles of incidence and refraction are 45oand 24º respectively. what is the index of refraction of the unknwon medium? Round off your values to 3 sig. figs.
2.32
2.31
0.77
0.76
There are certain angles of incidence for which the angle of refraction is close to 90°. What is this angle called?
Total internal angle
Critical angle
Reflection angle
Refracted angle
