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प्रश्न
For what position of object, the image formed by a concave mirror is magnified and erect?
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उत्तर
If the object is placed between the pole and focus of a concave mirror, the image formed is magnified and erect.
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संबंधित प्रश्न
One half of a convex lens of focal length 10 cm is covered with a black paper. Can such a lens produce an image of a complete object placed at a distance of 30 cm from the lens? Draw a ray diagram to justify your answer. A 4 cm tall object is placed perpendicular to its principal axis of a convex lens of focal length 20 cm. The distance of the object from the lens is 15 cm. Find the nature, position and the size of the image.
Image formed by a convex ______ is always virtual and smaller in size.
Find out the letters of English alphabet or any other language known to you in which the image formed in a plane mirror appears exactly like the letter itself. Discuss your findings.
Complete the following diagrams shown in Fig. by drawing the reflected ray for each of the incident ray A and B.
State the position of object for which the image formed by a concave mirror is of same size.
An object of length 4 cm is placed in front of a concave mirror at distance 30 cm. The focal length of mirror is 15 cm.
- Where will the image form?
- What will be the length of image?
AB is the object, A1B1 is its image. MM' is the position of the mirror. Complete the ray diagram and find the position of the center of curvature and focus of the mirror. Also, measure the focal length.
A concave mirror can be used to produce a parallel beam of light. Draw a ray to illustrate this.
A ray of light is incident towards a plane mirror at an angle of 30° with the mirror surface. What will be the angle of reflection?
