हिंदी

An object 10 cm high is placed at a distance of 20 cm in front of a spherical mirror of focal length 25 find the nature, position, and magnification of the image in the following case:Convex mirror

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प्रश्न

An object is placed in front of a concave mirror as shown in the following figure. By scale drawing, find the nature of the image. Given f = 10 cm, v = 30 cm.

आकृति
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उत्तर

Focal length o f concave mirror= 10 cm. Object distance = 30 cm.

The image is real, inverted, and diminished.

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अध्याय 6: Light - Exercise [पृष्ठ २६४]

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फ्रैंक Physics [English] Class 9 ICSE
अध्याय 6 Light
Exercise | Q 47 | पृष्ठ २६४

संबंधित प्रश्न

Explain the following term related to spherical lenses:- optical centre


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What is a spherical mirror?


An optical device has been given to a student and he determines its focal length by focusing the image of the sun on a screen placed 24 cm from the device on the same side as the sun. Select the correct statement about the device. 
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(B) Convex lens of focal length 24 cm
(C) Concave mirror of focal length 24 cm
(D) Convex lens of focal length 12 cm


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  1. the focal length of the mirror
  2. position of image

Draw a ray diagram to show the formation of the image, when the object is placed between optical centre and principal focus of a convex lens.

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  1. the position of the image
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In the following figure shows a concave mirror with its pole (P), focus (F) and centre of curvature (C). Draw a ray diagram to show the formation of the image of an object AB by the concave mirror.


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