Advertisements
Advertisements
प्रश्न
A coin placed at the bottom of a vessel appears to be raised when water is poured in the vessel.
Advertisements
उत्तर
The coin at a appears to be at B i. e. depth of coin observed is less than the actual depth at A.
The ray of light starting from A (denser) medium bends away from the normal. Due to the Refraction of light, the coin appears at B at a lower depth. Hence, in the same way, the depth of water appears to be less deep.
APPEARS IN
संबंधित प्रश्न
A simple microscope is used by watch repairers. Give reason.
A ray of light is incident normally on a plane mirror. What will be the
angle of reflection?
When a spherical mirror is held towards the sun and its sharp image is formed on a piece of a carbon paper for some time, a hole is burnt in the carbon paper.
At which point of the spherical mirror the carbon paper is placed?
What is a spherical mirror?
Draw a ray diagram to show the formation of image by a concave mirror for an object placed between its pole and focus. State three characteristics of the image.
An object is placed at 4 cm distance in front of a concave mirror of radius of curvature 24 cm. Find the position of image. Is the image magnified?
Answer the following question.
Write the modification in the curvature of the eye lens which enables us to see the nearby objects clearly?
Define the following term in relation to concave mirror.
Principal axis
In torches, search lights and headlights of vehicles the bulb is placed ______.
An object is placed at a distance of 0.25 m
in front of a plane mirror. The distance between the object and image will be ______.
