EASY
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Two plane mirrors are parallel to each other and placed 20 cm apart. An object is kept in between them at 15 cm from A. Out of the following at which point an image is not formed in mirror A distance measure from mirror A

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Important Questions on Light

EASY
Science>Physics>Light>Reflection of Light

Which one of the following is not a property of solution?

EASY
Science>Physics>Light>Reflection of Light
Which of the following is employed to clearly view objects which cannot be seen directly due to obstruction? 
MEDIUM
Science>Physics>Light>Reflection of Light
The phenomenon of deviation of light rays from their original path, when they pass from one medium to another, is called _____.
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Science>Physics>Light>Reflection of Light
The Tyndall Effect is due to
EASY
Science>Physics>Light>Reflection of Light
If an object is at 10 cm, away from the concave for which radius of curvature is 5 cm. Find out the value of magnification of the object:
MEDIUM
Science>Physics>Light>Reflection of Light
The phenomenon of physics when, in polar regions like Alaska and Northern Canada, a splendid
display of colours is seen in the sky is called a/an:
MEDIUM
Science>Physics>Light>Reflection of Light
The power of a lens is –2.0 D. Here 'D' stands for:
EASY
Science>Physics>Light>Reflection of Light
Twinkling of stars is mainly due to which phenomena?
MEDIUM
Science>Physics>Light>Reflection of Light
Dentist use Concave mirror because it gives _____ and _____ Image.
EASY
Science>Physics>Light>Reflection of Light
If the reflecting surface of a spherical minor is convex, then it is a _____ mirror.
EASY
Science>Physics>Light>Reflection of Light
The sky appears blue due to _____.
EASY
Science>Physics>Light>Reflection of Light
Where should an object be placed in front of a convex lens to obtain a real image of the same size of the object?
MEDIUM
Science>Physics>Light>Reflection of Light
The spectrum of light was first explained by _____
EASY
Science>Physics>Light>Reflection of Light
The power of a lens is measured in _____.
EASY
Science>Physics>Light>Reflection of Light
What will be the size of image formed by a concave mirror when an object placed between Pole and Focus?
EASY
Science>Physics>Light>Reflection of Light

Find the value of ∠i, ∠r in the diagram.

Question Image

 

MEDIUM
Science>Physics>Light>Reflection of Light
The blackboard seems black because it _____.
EASY
Science>Physics>Light>Reflection of Light
Which mirror has a very wide field of view?
EASY
Science>Physics>Light>Reflection of Light
After a shower of rain, a rainbow is seen:
EASY
Science>Physics>Light>Reflection of Light

If the focal length of a mirror is +15, then it is______: