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WorksheetsG10-SCIENCE_LONG TEST#1-Q2
Total questions: 25
Worksheet time: 1hrs 29mins
In the Law of Reflection, the incident ray, the reflected ray, and the normal line .
are similar in position.
lie on the same plane.
lie on a perpendicular plane.
may or may not lie on the same plane.
A ray of light is incident on a surface at 33o from the normal. What will be the angle of reflected ray from the normal?
57°
90°
33°
66°
An incident light travels on a path shown in
the picture. Which of the following paths is most
likely to be taken by the reflected light?
a
b
c
d
If you placed a number chart in front of a plane mirror, what numbers will you read properly in the mirror?
0, 1, 6, 8, and 9
0, 1, and 6
6 and 9
0 and 8
Is it TRUE that (I) convex mirror always forms upright, reduced, and virtual images and (II) most department stores use concave mirrors because they give a wider range of view?
I only
II only
Both I and II
Neither I nor II
It is a position where an object should be placed when in front of a concave mirror so that it reflects the image with the same size as the object.
At the focus
At the center of the curvature
Between the focus and the mirror
Between the center of curvature and focus
What type of lens produces smaller and upright images?
(a)
What property of light is observable on lenses?
Diffraction
Interference
Reflection
Refraction
In the picture, which ray(s) will pass through the secondary focus after refraction?
Ray 1
Ray 2
Ray 3
Ray Gun
Where will the image form if the object is placed between
F and 2F as shown in the figure on the right?
At F’
At 2F’
At infinity
Beyond 2F’
Which statements are TRUE?
I. Magnetic force is the push or pulls in a magnet.
II. Electric field is the region around an electric charge.
III. Magnetism is possible in a non-current carrying wire.
IV. Electric field is the push or pulls experienced by an object in an electric
field.
I and II
II and III
III and IV
IV and I
An electric generator converts energy from to .
chemical to electrical
electrical to chemical
electrical to mechanical
mechanical to electrical
According to Fleming’s Left-Hand Rule, a current-carrying wire receives no force of the magnetic field
at 450 to the magnetic field.
parallel to the magnetic field.
at a right angle to the magnetic field.
at an oblique position to the magnetic field.
Reflecting telescopes and microscopes produce an enlarged image of the object. Which is TRUE about these optical instruments?
Microscopes are for tiny objects; telescopes are for distant objects.
Microscopes are for distant objects; telescopes are for tiny objects.
Both optical instruments produce an inverted image.
Both optical instruments produce real images.
An enlarged image of a cell was flashed on a screen. Which optical set was able to produce the image?
Concave mirror and convex lens
Concave mirror and plane mirror
Single convex lens
Two convex lenses
A compound microscope uses a system of lenses. Which property of light is observed in this device?
Dispersion
Diffraction
Reflection
Refraction
What image will be produced by a convex mirror?
Virtual, upright, smaller than the object.
Virtual, upright, larger than the object.
Real, inverted, smaller than the object.
Real, inverted, larger than the object.
Which of the following supports the laws of reflection?
I. The angle of incidence is equal to the angle of reflection.
II. The angle of incidence is greater than or less than the angle of reflection depending on the medium.
III. The incident ray, the normal line, and the reflected ray lie on the same plane.
IV. The incident ray, the normal line and the reflected ray lie on different planes.
I & III
I & IV
II & III
II & IV
In what position will the image be if an object is placed in front of a convex mirror as shown in the figure?
(a)
If the light rays strike the diverging lens (as shown in
the figure), what will happen with the
light rays?
It will bounce back on the same side.
It will converge at F’.
It will diverge at F’.
Nothing will happen.
In the figure, which ray(s) will not experience refraction when it pass through?
Ray 1 only
Ray 2 only
Ray 3 only
Ray 1 & 2 only
Which is/are TRUE about an electric motor?
I. It uses magnets to create a circular motion.
II. It uses magnets to create rotational motion.
III. It converts electrical energy into a mechanical one.
IV. It depends on the interaction of magnetic and electric fields.
I and II
II and III
I and III
II and IV
A magnifying glass (convex lens) is used to increase the size of a small object. What is the image's height if a 10-cm focal length magnifying glass is placed 5 cm away from a 3-cm coin? (Round off up to 2 decimal places)
(a)
A 158-cm tall woman placed herself 100 cm away in front of a convex mirror in a science fair whose focal length is 20 cm. What is her image’s height? (Round off up to 2 decimal places)
(a)
A 15-cm pencil was placed on a concave lens and it appears that a 3-cm image was formed 10 cm away from the lens. How far is the object away from the lens?
(a)
