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प्रश्न
What is a real image?
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उत्तर
When the rays of light diverging from a point, after reflection of refraction, actually converge at some point, then that point is the real image of the object.
संबंधित प्रश्न
State the characteristics of the image formed by a plane mirror.
The reflection of light from a wooden surface is _________ reflection.
State which surface of a plane mirror reflects most of the light incident on it: the front smooth surface or the back silvered surface.
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?
An object OA is placed on the principal axis of a concave mirror as shown in the figure. Copy and complete the diagram to show the formation of image.
State whether true or false. If false, correct the statement.
The reason for brilliance of diamonds is total internal reflection of light.
Beams of light are incident through the holes A and B and emerge out of box through the holes C and D respectively as shown in the Figure Which of the following could be inside the box?
Total internal reflection will occur if the angle of reflection is ______.
We can see objects because of ______.
