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प्रश्न
At the point of incidence, a line drawn at right angles to the surface, separating the two media, is called the normal.
पर्याय
True
False
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उत्तर
True.
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संबंधित प्रश्न
An object is placed at a distance of 40 cm in front of a convex mirror of radius of curvature 40 cm. List four characteristics of the image formed by the mirror.
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
A diverging mirror is
(a) a plane mirror
(b) a convex mirror
(c) a concave mirror
(d) a shaving mirror
State the relation between object distance, image distance and focal length of a spherical mirror (concave mirror or convex mirror).
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.
A shop security mirror 5.0 m from certain items displayed in the shop produces on-tenth magnification.
What is the radius of curvature of the mirror?
Explain why, a real image can be projected on a screen but a virtual image cannot.
The diagram given below in fig shows a ray of light AO falling on a surface separating two media. Draw the refracted ray in each, case.
List four properties of the image formed by a convex mirror when object is placed between focus and pole of the mirror.
The image formed by these mirrors is ______ than the object.
