मराठी

We can obtain an enlarged and erect image by a convex mirror.

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प्रश्न

We can obtain an enlarged and erect image by a convex mirror.

पर्याय

  • True

  • False

MCQ
चूक किंवा बरोबर
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उत्तर

This statement is False.

Explanation:

A convex mirror always forms a virtual, erect, and diminished image, regardless of the object's distance from the mirror.

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पाठ 11: Light - Exercises [पृष्ठ १३८]

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एनसीईआरटी Science [English] Class 7
पाठ 11 Light
Exercises | Q 2. (a) | पृष्ठ १३८

संबंधित प्रश्‍न

Match the items given in Column I with one or more items of Column II.

  Column I   Column II
(a) A plane mirror (i) Used as a magnifying glass.
(b) A convex mirror (ii) Can form image of objects spread over a large area.
(c) A convex lens (iii) Used by dentists to see enlarged image of teeth.
(d) A concave mirror (iv) The image is always inverted and magnified.
(e) A concave lens (v) The image is erect and of the same size as the object.
    (vi) The image is erect and smaller in size than the object.

A ray of light strikes a plane mirror at an angle of 40° to the mirror surface. What will be the angle of reflection?


  1. A small object is placed 150 mm away from a diverging lens of focal length 100 mm.
    1. Copy the figure below and draw rays to show how an image is formed by the lens.
    2. Calculate the distance of the image from the lens by using the lens formula.
  2. The diverging lens in part (a) is replaced by a converging lens also of focal length 100 mm. The object remains in the same position and an image is formed by the converging lens. Compare two properties of this image with those of the image formed by the diverging lens in part (a).

Which are the two convenient rays that are chosen to construct the image by a spherical mirror for a given object? Explain with the help of suitable ray diagrams.


If a spherical mirror breaks, what type of mirrors are the individual pieces?


What kind of mirror is used in vehicles to see the traffic on the rear side?

What is the relationship between the focal length and radius of curvature?


A concave mirror can be used to produce a parallel beam of light. Draw a ray to illustrate this.


The spherical mirror with a reflecting surface curved inward is called


How tall does a mirror have to be to fit an entire person’s body?


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