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प्रश्न
Define reflection.
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उत्तर
The bouncing of light by any smooth or polished surface is called.
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संबंधित प्रश्न
Select the correct alternative
The image formed by a plane mirror is
How will you explain the statement 'we cannot see the objects in a dark room'?
The diagram in Figure shows a point object P in front of a plane mirror MM1.
(a) Complete the diagram by taking two rays from the point P to show the formation of its image.
(b) In the diagram, mark the position of eye to see the image.
(c) Is the image formed real or virtual? Explain why?
State two advantages and two disadvantages of the reflecting periscope.
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?
Copy the figure and complete it, by drawing two rays to show the formation of the image of the object AB. State the size, position and nature of image formed.
Complete the ray diagram to show the image observed by the eye after reflection in the following figure.
A beam of light is incident through the holes on side A and emerges out of the holes on the other face of the box as shown in the Figure. Which of the following could be inside the box?
The image formed by a plane mirror is always as far behind the mirror as far the object lies in front of it.
