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- 1. Multiple Choice
Law of Reflection states that the incident angle is ____ the reflected angle
greater than
less than
equal to
- 2. Multiple Choice
If Θ1 is 70 degrees what is Θ2?
20
40
70
90
- 3. Multiple Choice
If Θ1 is 70 degrees what is Θ3?
20
40
70
90
- 4. Multiple Choice
If Θ1 is 70 degrees what is Θ4?
20
40
70
90
- 5. Multiple Choice
If the incident angle is 40 degrees what is the reflected angle?
40
50
80
90
- 6. Multiple Choice
If the incident angle is 40 degrees what is the angle from the reflected ray to the mirror?
40
50
80
90
- 7. Multiple Choice
If the man is 4 m from the mirror, his image is how far from the mirror?
2 m
4 m
8 m
- 8. Multiple Choice
The man's image appears to be-
upright
inverted
alive
moving at a different rate
- 9. Multiple Choice
The man's image appears to be-
real
virtual
singing about who they are inside
looking for a way out
- 10. Multiple Choice
The man's image appears to be-
larger
smaller
same size
laughing at him
- 11. Multiple Choice
If the focal length is 10 cm and the object is placed 15 cm away, where is the image located?
-30
5
150
30
- 12. Multiple Choice
If the image is located 10 cm away from the lens and the object is placed 15 cm away, what is the focal length?
-5
6
150
30
- 13. Match
Match the following image descriptions
f<do<2f
Real, inverted, larger
do=f
Real, inverted, smaller
do>2f
Real, inverted, same size
do=2f
No image
do<f
Virtual, Upright, Larger
- 14. Multiple Choice
If the object distance is 20 cm and the image distance is -10 cm, what is the focal length?
-6.67
6.67
-15
15
- 15. Multiple Choice
When a light ray hits a smooth surface at an angle of 30 degrees, what is the angle of reflection?
30
60
90
120
- 16. Multiple Choice
If Θ2 is 45 degrees, what is Θ1?
45
90
135
180
- 17. Multiple Choice
Which EM wave travels the fastest through space?
Gamma
X-rays
Radio
All are the same speed
- 18. Multiple Choice
An astronomer finds a star is shifted to the red end of the spectrum, what does this mean?
It is approaching with a higher frequency
It is approaching with a lower frequency
It is moving away with a higher frequency
It is moving away with a lower frequency
- 19. Multiple Choice
Which EM wave is used to sanitize medical equipment before surgery?
Sound waves
UV rays
infrared waves
Gamma
- 20. Multiple Choice
All of the following EXCEPT ___ are used to sort the EM spectrum
Amplitude
Frequency
Wavelength
Energy
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