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Question
At the point of incidence, a line drawn at right angles to the surface, separating the two media, is called the normal.
Options
True
False
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Solution
True.
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RELATED QUESTIONS
A student obtains a blurred image of a distant object on a screen using a convex lens. To obtain a distinct image on the screen he should move the lens
(A) away from the screen
(B) towards the screen
(C) to a position very far away from the screen
(D) either towards or away from the screen depending upon the position of the object
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(b) a bent-in surface
(c) a bulging-our surface
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What is the nature of a mirror having a focal length of, +10 cm?
An object is kept at a distance of 5 cm in front of a convex mirror of focal length 10 cm. Calculate the position and magnification of the image and state its nature.
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(a) Draw a ray-diagram showing the formation image
(b) State two characteristics of the image formed
(c) Calculate the distance of the image from mirror.
Draw a diagram to represent a convex mirror. On this diagram mark principal axis, principal focus F and the centre of C if the focal length of convex mirror is 3 cm.
Name two factors on which the focal length of a lens depends.
The Convex mirror always forms ______ and ______ image.
As you move an object always from a convex mirror, its image becomes ______
and moves towards ______.
Higher-Order Thinking Skills:
A convex mirror is in water. What should be the change in its focal length?
