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प्रश्न
Answer the following question.
Write the modification in the curvature of the eye lens which enables us to see the nearby objects clearly?
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उत्तर
There should be a contract in ciliary muscles, that will increase the curvature of the eye lens and becomes thicker consequently the focal length of the eye lens will decrease. It will enable us to see near objects clearly.
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संबंधित प्रश्न
What happens when a ray of light falls normally (or perpendiculary) on the surface of a plane mirror?
A ray of light is incident normally on a plane mirror. What will be the
angle of reflection?
Write the mirror formula. Give the meaning of each symbol which occurs in it.
State the direction of incident ray which after reflection from a spherical mirror gets reflected along its own path. Give a reason.
Complete the following diagrams in Figure by drawing the reflected rays for the incident rays 1 and 2.
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.
Discuss the position and nature of image formed by a convex mirror when an object is moved from infinity towards the pole of mirror.
Select the correct option:
A mirror forms a virtual image (diminished) of an object, whatever be the position of object:
Define the following term:
concave mirror
