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The Shiny Outer Surface of a Hollow Sphere of Aluminium of Radius 50 Cm is to Be Used as a Mirror: Which Type of Spherical Mirror Will It Provide? - Science

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प्रश्न

The shiny outer surface of a hollow sphere of aluminium of radius 50 cm is to be used as a mirror: 

 Which type of spherical mirror will it provide? 

 

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उत्तर

Since the outer surface is shiny, it will form a convex mirror.

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अध्याय 4: Reflection of Light - Exercise 6 [पृष्ठ २०६]

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लखमीर सिंग Physics (Science) [English] Class 10
अध्याय 4 Reflection of Light
Exercise 6 | Q 19.2 | पृष्ठ २०६
लखमीर सिंग Physics (Science) [English] Class 10
अध्याय 4 Reflection of Light
Exercise 6 | Q 19 | पृष्ठ २०६

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संबंधित प्रश्न

Define the following term in the context of spherical mirrors:- Principal axis


What kind of mirror is required for obtaining a virtual image of the same size as the object?


Define (a) centre of curvature (b) radius of curvature (c) pole (d) principal axis, and (e) aperture, of a spherical mirror with the help of a labelled diagram


When a spherical mirror is held towards the sun and its sharp image is formed on a piece of a carbon paper for some time, a hole is burnt in the carbon paper. 

 What is the advantage of using a carbon paper rather than a white paper?


A ray of light travels from a denser medium to a rarer medium. How will it bend?


Define the terms pole, principal axis and centre of curvature with reference to a spherical mirror. 


Figure shows a concave mirror with its pole at P, focus and centre of curvature C. Draw ray diagram to show the formation of image of an object OA.


State the position of object for which the image formed by a concave mirror is of same size.


How is the focal length of a spherical mirror related to its radius of curvature?


State two uses of a concave mirror. 


The radius of curvature of a convex mirror is 40 cm. Find its focal length. 


An object is placed at 4 cm distance in front of a concave mirror of radius of curvature 24 cm. Find the position of image. Is the image magnified? 


An object forms a virtual image which is 1/8th of the size of the object. If the object is placed at a distance of 40 cm from the convex mirror, calculate:

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

What do you understand by the term real image?


Distinguish between real and virtual images.

A person in front of a spherical mirror finds his image having a very small head, a fat body and legs of normal size. What are the shapes of three parts of the mirror?

The distance from the pole to the focus is called ______.


Name the two types of spherical mirrors.


Define the radius of curvature.


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