Asked by sophie
Light passes from air into water at 45.0 degrees to the normal. If the index of refraction of water is 1.33, find the angle of refraction.
A. 25.5 degrees
B. 32.1 degrees
C. 44.0 degrees
D. 55.9 degrees
I believe it is B?
What is the nature of an image formed by a concave mirror of focal length 10 cm for a real object placed 3 cm from the mirror?
A. Real and inverted
B. Real and upright
C. Virtual and inverted
D. Virtual and upright
I think this one is D?
A. 25.5 degrees
B. 32.1 degrees
C. 44.0 degrees
D. 55.9 degrees
I believe it is B?
What is the nature of an image formed by a concave mirror of focal length 10 cm for a real object placed 3 cm from the mirror?
A. Real and inverted
B. Real and upright
C. Virtual and inverted
D. Virtual and upright
I think this one is D?