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प्रश्न
The distance between an object and a convex lens is changing. It is noticed that the size of the image formed on a screen is decreasing. Is the object moving in a direction towards the lens or away from it?
उत्तर
In the case of a convex lens, as the object moves away from it, the size of the image formed on a screen decreases.
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संबंधित प्रश्न
State the relation between object distance, image distance and focal length of a spherical mirror (concave mirror or convex mirror).
Name the mirror which can give:
an erect and diminished image of an object.
What happens to the image when the object is moved away from the mirror gradually?
The angle formed between the normal and the refracted ray is known as the angle of incidence.
Write true or false
At the point of incidence, a line drawn at right angles to the surface, separating the two media, is called the normal.
The focal length of a convex mirror is equal to its radius of curvature.
A convex mirror is used
Magnification produced by a rear view mirror fitted in vehicles
The image formed by these mirrors is ______ than the object.
Why a convex mirror is preferred for rearview mirrors in cars?
