Light

Physics
207 Views

Which of the following is not the case with image formed by a plane mirror:

A
It is erect
B
It is virtual
C
It is diminished
D
It is at the same distance as the object
Easy
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How many colours comprises white light?

A
infinite
B
seven
C
three
D
fourteen
Easy
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The term reflection refers to the bending of light rays:

A
when they strike a mirror
B
when they enter a different medium
C
around a sharp edge
D
around the boundary of a narrow aperture
Easy
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Which of the following forms a virtual and erect image for all positions of the object?

A
Convex lens
B
Plane mirror
C
Convex mirror
D
Concave mirror
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An ideal mirror :

A
Absorbs all the amount of light incident on it
B
Refracts all the light
C
Reflects all the light
D
None of the above
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A plane mirror gives a real image when the incident beam is:

A
Wide
B
Narrow
C
Convergent
D
Divergent
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Reflection is the ........ of light off a surface.

A
Bouncing
B
hitting
C
firing 
D
all
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Convex lens is always :

A
tapering at edges
B
thicker in middle
C
converges rays at a point
D
all of the above
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Nature of the image formed by a plane mirror is :

A
virtual and erect
B
of the same size as the object
C
laterally inverted
D
all of these
Easy
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