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प्रश्न
The shiny outer surface of a hollow sphere of aluminium of radius 50 cm is to be used as a mirror:
State whether this spherical mirror will diverge or converge light rays.
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उत्तर
This spherical mirror will diverge the light rays.
संबंधित प्रश्न
A student obtains a sharp image of the distant window (W) of the school laboratory on the screen (S) using the given concave mirror (M) to determine its focal length. Which of the following distances should he measure to get the focal length of the mirror?
Explain the following term related to spherical lenses:- aperture
Find out the letters of English alphabet or any other language known to you in which the image formed in a plane mirror appears exactly like the letter itself. Discuss your findings.
What is a virtual image?
A lens forms a real image 3 cm high of an object 1 cm high. If the separation of object and image is 15 cm, find the focal length of the lens.
State the types of mirrors used for (i) headlights and (ii) rear view mirror, in cars and motorcycles. Give to justify your answer in each case.
Explain the meaning of the terms focus and focal length in case of a convex mirror, with the help of suitable ray diagram.
Figure shows a concave mirror with its pole at P, focus F and centre of curvature C. Draw ray diagram to show the formation of image of an object OA.
State whether the image in part (a) is real or virtual?
Name the kind of mirror used to obtain:
A virtual and diminished image
Write the spherical mirror's formula and explain the meaning of each symbol used in it.
State two uses of a concave mirror.
The magnification for a mirror is -3. How are u and v related?
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.
Aperture
Complete the following diagrams shown in the below figure by drawing the reflected ray for each incident ray.
How tall does a mirror have to be to fit an entire person’s body?
