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प्रश्न
Dull materials reflect light.
विकल्प
True
False
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उत्तर
Dull materials reflect light- False.
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संबंधित प्रश्न
Write true or false of the following statement.
The image formed by a plane mirror is real
Fill in the blank
We are able to see the objects around us due to _________, reflection.
Select the correct alternative
A man standing in front of a plane mirror finds his image to be at a distance of 6 meter from himself. The distance of man from the mirror is
The following diagram shows a point object O placed in front of a plane mirror. Take two rays from the point O and show how the image of O is formed and seen by the eye.
With the help of diagrams, explain the difference between the regular and irregular reflection.
A light ray is incident normally on a plane mirror. What is the direction of reflected ray? Show it on a diagram.
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?
The reflection of a ray of light (OA) normally incident on a plane mirror is shown below
What are the angles of incidence and reflection?
