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संबंधित प्रश्न
Explain the following term related to spherical lenses:- optical centre
Name the two types of spherical mirrors. What type of mirror is represented by the:
back side of a shining steel spoon?
Write the formula for a lens connecting image distance (v), object distance (u) and the focal length (f). How does the lens formula differ from the mirror formula?
A 2.0 cm tall object is placed 40 cm from a diverging lens of focal length 15 cm. Find the position and size of the image.
State the direction of incident ray which after reflection from a spherical mirror gets reflected along its own path. Give a reason.
A student obtained a sharp image of a burning candle, placed at the farther end of a laboratory table, on a screen using a concave mirror. For getting better value of focal length of the mirror, the subject teacher suggested him for focusing a well illuminated distant object. What should the student do?
(A) He should move the mirror away from the screen.
(B) He should move the mirror slightly towards the screen.
(C) He should move the mirror as well as the screen towards the newly selected object.
(D) He should move only the screen towards the newly selected object.
Complete the following diagrams shown in Fig. by drawing the reflected ray for each of the incident ray A and B.
The radius of curvature of a convex mirror is 40 cm. Find its focal length.
Define the following term in relation to concave mirror.
Focal length
The spherical mirror with a reflecting surface curved inward is called
