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Ch. 19-Light, Mirror, And Lenses
Test Description: Part 1
Instructions: Answer all questions to get your test result.
1) Identify the primary colors:
A
red, purple, orange
B
blue, purple, orange
C
green, blue, yellow
D
red, green, blue
2) Our brain interpret _____________________ color(s) entering our eyes at the same time.
A
several (6 or 7)
B
multiple
C
only one
D
a few
3) The Law of Reflection states that when a light ray reflects on a surface, the light ray leaves that surface at _______________ angle(s) from which it came
A
a single varying
B
multiple
C
the same
D
several
4) Per the Law of Reflection measured by a normal line, the angle of incidence is _________________ to the angle of reflection.
A
both a and b
B
greater than
C
less than
D
equal
5) With Regular/Diffuse Reflection, the ______________ of the object will determine the SHARPNESS of reflection.
A
angle
B
a and b
C
surface
D
color
6) Scattering of light occurs when light waves traveling in _______________ direction(s) are made to travel in ____________________ direction(s).
A
many, one
B
one, ten
C
one, many
D
several, one
7) Diffuse Reflection is a(n) ________________ reflection of light rays on a ________________ surface.
A
even, smooth
B
semi-smooth, rough
C
uneven, rough
D
even or uneven, semi-rough
8) A plane mirror has a _________________ reflecting surface.
A
concave
B
flat
C
angled
D
convex
9) The image you see off a plane mirror is placed in ________________direction(s) of real image.
A
the same
B
five
C
the opposite
D
multiple directions
10) Regular reflection is the _______________ reflection of light on a(n) _______________ surface.
A
semi-smooth, rough
B
even, smooth
C
even or uneven, rough
D
uneven, rough
*select an answer for all questions
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