When light enters a slower medium (where the average speed of light decreases),
ID: 1293748 • Letter: W
Question
When light enters a slower medium (where the average speed of light decreases), in which way is it deflected?
Towards a smaller angle to the normal
Towards a larger angle to the normal
There is no deflection
Either A or B, depending on wavelength
There is no way to know for certain
QUESTION 2
What is the key property of a surface that's amkes it "mirror-like"?
It must be a metallic surface
It must be a glass surface
It must be a transparent surface
It must be a very smooth surface
It must be an absorbing surface
10 points
QUESTION 3
A prism spreads out sunlight across a floor. Even though we cannot see it with our eyes, what kind of light must be present next to the visible, red area?
Infrared
Microwaves
Radio
UV
X-rays
QUESTION 4
What is meant by a "virtual" image?
An image that cannot be seen by your eyes
Something that is almost an image, but not quite
An image at a location where there is no actual light
An image at a location where there is no actual object
An image generated by virtual reality technology
QUESTION 5
If a substance has an index of refraction (n) equal to 2, what must be true?
Light moves at twice
A.Towards a smaller angle to the normal
B.Towards a larger angle to the normal
C.There is no deflection
D.Either A or B, depending on wavelength
E.There is no way to know for certain
Explanation / Answer
1.
A. Towards a smaller angle to the normal
-----------------
2.
D. It must be a very smooth surface
--------------------
3.
A. Infrared
------------------------
4.
C. An image at a location where there is no actual light
------------------------
5.
B. Light moves at half of
Related Questions
drjack9650@gmail.com
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.