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प्रश्न
Reflection occurs , when the light
पर्याय
about to reach a surface
approaches a surface
passes through a surface
None of these
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उत्तर
approaches a surface
APPEARS IN
संबंधित प्रश्न
Select the correct alternative
The property due to which a light ray striking a surface is returned back into the same medium is called
With the help of diagrams, explain the difference between the regular and irregular reflection.
Draw a neat diagram of reflecting periscope.
Give two uses of convex mirror.
In the figure is shown a concave mirror. A is a point on the principal axis. If an object O is kept at A, image is formed on A itself. Copy the diagram. Draw the image in the diagram. Is the image real or virtual?
Measure the distance PA and write it in the diagram. What is the distance PA called?
Mark a point B on the principal axis, at which, if a point source of light is kept, the rays travel parallel to principal axis after reflection from M. What is point B called?
State whether the following statement is true or false. If false, correct it.
The image formed in a plane mirror is the real, erect, and same size as that of the object.
In a completely dark room, if you hold up a mirror in front of you, will you see a reflection of yourself in the mirror?
Which of the following can make a parallel beam of light when light from a point source is incident on it?
Plane mirrors are used as looking glass, to reflect light on objects and in periscopes.
