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प्रश्न
What do you understand by the Light?
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उत्तर
Light is a form of energy that produces in us the sensation of seeing.
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संबंधित प्रश्न
David is observing his image in a plane mirror. The distance between the mirror and his image is 4 m. If he moves 1 m towards the mirror, then the distance between David and his image will be ______.
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.
If the angle between the plane mirror and the incident ray is 40∘, what are the angles of incidence and reflection?
You are provided a convex mirror, a concave mirror and a plane mirror. How will you distinguish between them, without touching or using any other apparatus?
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.
Materials which reflect the light well are called ______.
Total internal reflection will occur if the angle of reflection is ______.
