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Name the Two Types of Spherical Mirrors. What Type of Mirror is Represented by The: Front Side of a Shining Steel Spoon? - Science

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प्रश्न

Name the two types of spherical mirrors. What type of mirror is represented by the: 

front side of a shining steel spoon?

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उत्तर

The types of spherical mirrors represented by the 

front side of a shining steel spoon is concave mirror

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पाठ 4: Reflection of Light - Exercise 2 [पृष्ठ १७९]

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लखमीर सिंह Physics (Science) [English] Class 10
पाठ 4 Reflection of Light
Exercise 2 | Q 7.2 | पृष्ठ १७९

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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.


An image formed by a ______ mirror is always of the same size as that of the object.


Give one use each of a concave and a convex mirror.


What happens when a ray of light falls normally (or perpendiculary) on the surface of a plane mirror?

 


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

 What will be the focal length of this mirror?


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? 

 


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

 State whether this spherical mirror will diverge or converge light rays.


What do you understand by the focus and focal length of a spherical mirror? Show them on the separate diagrams for each of a concave mirror and a convex mirror.


Name the two kinds of spherical mirrors and distinguish between them. 


Draw suitable diagrams to illustrate the action of (i) concave mirror and (ii) convex mirror on a beam of light incident parallel to the principal axis. 


Name the spherical mirror which (i) diverges (ii) converges the beam of light incident on it. Justify your answer by drawing a ray diagram in each case. 


Draw a ray diagram to show the formation of image by a concave mirror for an object placed between its pole and focus. State three characteristics of the image.


(a) When a concave mirror is used as a shaving mirror, where is the person's face in relation to the focus of mirror?

(b) State three characteristics of the image seen in part (a). 


The erect image formed by a concave mirror is of size double the size of object. How are u and v related?


At what distance from a concave mirror of focal length 25 cm should an object be placed so that the size of image is equal to the size of the object. 


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.

State the signs and values of magnifications in the above mentioned case.


Define the term principal focus in case of convex mirror. Draw a convex mirror and show its principal focus and focal length clearly.


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.


What is the difference between virtual images of an object formed by a concave mirror and a convex mirror?


In the figure shown, the image of a real object is formed at the point I. AB is the principal axis of the mirror. The mirror must be:


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