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प्रश्न
Complete the following diagrams in Figure by drawing the reflected rays for the incident rays 1 and 2.
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उत्तर
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संबंधित प्रश्न
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?
What do you mean by the term dispersion?
Explain the following terms :
Pole, Centre of curvature, Radius of curvature, Principal axis. Show them on separate diagrams for each of the concave and convex mirrors.
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.
Name the spherical mirror which (i) diverges (ii) converges the beam of light incident on it. Justify your answer by drawing a ray diagram in each case.
Define the terms focus and focal length of a concave mirror. Draw diagram to illustrate your answer.
State two uses of a concave mirror.
The magnification for a mirror is -3. How are u and v related?
Select the correct option:
Looking into a mirror one finds her image diminished, the mirror is:
What is the focal length (f) of a mirror?
