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WorksheetsLight: Reflection Quiz
Total questions: 22
Worksheet time: 2hrs 50mins
In physics, reflection is the ...
thing you see in the mirror.
bouncing of light off an object.
bending of light around an object.
Burrowing of light under an object.
One of the laws of reflection states that the angle of incidence is equal to...
the normal at the point of incidence.
the angle of refraction.
the angle of reflection.
the length of the ray of light.
One of the laws of reflection state that the incident ray, the normal at the point of incidence and the reflected ray all lie...
in the same plane.
in separate planes.
What kind of mirrors are convex and concave mirrors?
Plane mirrors.
Spherical mirrors.
What does P stand for in the diagram of a concave mirror above?
Principal Axis
Primary Axis
Purpose Axis
Purple Axis
What does C stand for the in the diagram of a concave mirror above?
Centre
Concave Centre
Spherical Centre
Centre of Curvature
What does F stand for in the diagram of a concave mirror above?
The Focus
The Fox
The Farce
The Fill
The focal length is equal to...
The centre of curvature.
A quarter of the centre of curvature.
Half the centre of curvature.
Twice the centre of curvature.
An image formed by the apparent intersection of lights rays behind the mirror is called...
a real image.
a virtual image.
An image formed by the actual intersection of light rays on a screen is called...
a real image
a virtual image.
What kind of image is always formed in a convex mirror?
A virtual image.
A real image.
Describe the image that is formed in a concave mirror when an object is placed outside the focus.
The image is virtual and upright.
The image is real and inverted.
Describe the type of image formed in a concave mirror when the object is inside the focus point.
The image is real and inverted.
The image is virtual, magnified and upright.
Concave mirrors, rather than convex mirrors are used by dentists to examine teeth. Explain why.
They give a diminished image.
They give a magnified image.
They give an inverted image.
They give a clearer virtual image.
When using the mirror forumla
f1=u1+v1 , f is positive for...a concave mirror.
a convex mirror.
When using the mirror forumla f1=u1+v1 , f is negative for...
A concave mirror.
A convex mirror.
When solving for the image distance (v) using the formula f1=u1+v1 and you get a negative value for v this means the image is...
real.
virtual
When solving for the image distance (v) using the formula f1=u1+v1 and you get a positive value for v this means the image is...
real.
virtual.
An object is placed 30 cm in front of a concave mirror of focal length 10 cm. How far from the mirror is the image formed?
v = 10 cm
v = 20 cm
v = 5 cm
v = 15 cm
A concave mirror has a focal length of 20 cm. An object is placed 30 cm in front of the mirror. How far from the mirror will the image be formed?
20 cm
40 cm
60 cm
30 cm
An object is placed 15 cm from a concave mirror of focal length 20 cm. How far from the mirror will the image be formed?
v = 30 cm
v = - 30cm
v = - 60 cm
v = 60 cm
An object 26 cm in front of a convex mirror produces a virtual image 10 cm behind the mirror. What is the focal length?
16.25 cm
-16.25 cm
8.5 cm
-8.5 cm
