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प्रश्न
State whether true or false. If false, correct the statement.
The convex mirror always produces a virtual, diminished and erect image of the object.
विकल्प
True
False
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उत्तर
The convex mirror always produces a virtual, diminished and erect image of the object- 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.
Describe with a suitable diagram, how a convex mirror diverges a parallel beam of light rays. Mark clearly the pole, focus and centre of curvature of convex mirror in this diagram.
If a driver has one convex and one plane rear-view mirror, how would the images in each mirror appear different?
The radius of curvature of a convex mirror used as a rear view mirror in a moving car is 2.0 m. A truck is coming from behind it at a distance of 3.5 m. Calculate
- position and
- size of the image relative to the size of the truck.
- What will be the nature of the image?
A shop security mirror 5.0 m from certain items displayed in the shop produces one-tenth magnification.
- What is the type of mirror?
- What is the radius of curvature of the mirror?
Draw ray diagrams to represent the nature, position and relative size of the image formed by a convex lens for the object placed:
- at 2F1,
- between F₁ and the optical centre O of the lens.
Which of the above two cases shows the use of a convex lens as a magnifying glass? Give reasons for your choice.
Light travels in the same straight line path while passing through different media.
A 5 cm tall object is placed perpendicular to the principle axis of a convex lens of focal length 12 cm. The distance of the object from the lens is 8 cm. Using the lens formula, find the position, size and nature of the image formed.
Numerical problem.
A concave mirror produces three times magnified real image of an object placed at 7 cm in front of it. Where is the image located? (Ans: 21 cm in front of the mirror)
The image formed by a convex mirror is always ______.
