Direction: Choose the letter of the correct answer
1. You see the
reflection of the clock without numbers in your plane mirror. The image formed
by the hands of the clock shows the time of 3:30. What is the real time?
a. 3:30
b. 8:30
c. 9:30
d. 10:30
2. How much
larger will your classroom seem to appear if the entire two adjacent walls of
your classroom consist of plane mirrors?
a. 2x larger
b. 3x larger
c. 4x larger
d. can’t be
determined
3. Where is the
image located if an object is 30 cm in front of convex mirror with a focal
length of 20 cm?
a. Between F
and V
b. Between C
and F
c. In front of
the mirror
d. Can’t be
determined
4. What is the
distance of your image from you if you stand 1.5m in front of a plane mirror?
a. 1.5 m
b. 2.0 m
c. 3.0 m
d. 4.5 m
5. Zed stands
1.5-m tall in front of a plane mirror. What is the height of his image?
a. 4.5 m
b. 3.0 m
c. 2.0 m
d. 1.5 m
6. A light ray,
traveling parallel to a concave mirror’s axis, strikes the mirror’s surface.
The reflected ray __________.
a. passes
through the mirror’s focal point
b. again
travels parallel to the mirror’s axis
c. travels at
right angles to the mirror’s axis
d. passes
through the mirror’s center of curvature
7. An object is
placed between a concave mirror and its focal point. What is the type and
orientation of the image formed?
a. virtual and
inverted
b. real and
inverted
c. virtual and
erect
d. real and
erect
8. What kind of
mirror is used in automobiles and trucks to give the driver a wider area and
smaller image of traffic behind him?
a. Plane mirror
b. Convex
mirror
c. Concave
mirror
d. None of the
above
9. What type of
mirror do dentists usually use to see clearly the images of our teeth?
a. Plane mirror
b. Convex
mirror
c. Concave
mirror
d. None of the
above
10. When a
small object is
placed on the
principal axis of
a concave mirror between the focus and the mirror (as
in the figure below), the image formed is____________.
a. erect,
magnified, and virtual
b. inverted,
magnified, and real
c. inverted,
reduced, and real
d. erect,
reduced, and real
11. A white sheet of paper cannot act as mirror
because it ____________ the rays of light.
a. diffracts
b. diffuses
c. interferes
d. refract
12. You see your face clearly if you look down on a pool
of still water. Which one of the following statements gives the best
explanation for this observation?
a. Light
entering the water is dispersed.
b. Regular
reflection of light happens on the surface of still water.
c. Irregular
reflection of light happens on the surface of still water.
d. Light is
reflected from the surface of water in different directions.
13. Where should the object be placed in front of a
concave mirror to form a virtual and magnified image?
a. At the focus
b. At the
center of curvature
c. Between the
focus and the vertex
d. Between the
center of curvature and focus
14. Which of the following is/are true of a concave
mirror?
I. It will
never form a real image
II. An inverted
image will be formed if the object distance is greater than the focal length
III. An object
can be magnified if placed at f
a. I only
b. II only
c. I and II
d. I, II, and
III
15. A light
ray, traveling parallel to a concave lens’ axis and strikes the lens, will refract
and__________.
a. pass through
the lens’ focal point
b. travel
parallel to the principal axis
c. continue to
travel in the same direction
d. travel at
right angles to the principal axis
16. What kind of image is formed by concave lenses?
a. always real
b. always
virtual
c. could be
real or virtual; depends on the distance of the object from the focal point
d. could be
real or virtual, but always real when the object is placed at the focal point
17. Sun’s rays are observed to focus at a point behind
a lens. What kind of lens was used?
a. Converging Lens
b. Diverging
Lens
c. Focusing
Lens
d. None of the
above
18. This optical instrument uses 2 convex lenses to
make a smaller object larger.
a. Camera
b. Microscope
c. Oscilloscope
d. Telescope
19. Which of the following optical instruments will be
used to produce a reduced and inverted image of a distant object?
a. Camera
b. Projector
c. Microscope
d. Refracting
Telescope
20. A photocopy “Xerox” machine produces an image that
is of equal size as the object. Considering the location of an object in a
convex lens, where is the object located or placed to produce an image that is
of equal size to the object?
a. At F’
b. At 2F’
c. Between F’
and V
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