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If an Object is Placed at a Distance of 10 Cm in from of a Plane Mirror, How Far Would It Be from Its Image? - Science

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प्रश्न

If an object is placed at a distance of 10 cm in from of a plane mirror, how far would it be from its image?

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उत्तर

It will be 20 cm away from its image. This is because the distance of the plane mirror from the object is equal to its distance from the image. 

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पाठ 4: Reflection of Light - Exercise 1 [पृष्ठ १७३]

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लखमीर सिंह Physics (Science) [English] Class 10
पाठ 4 Reflection of Light
Exercise 1 | Q 9 | पृष्ठ १७३

व्हिडिओ ट्यूटोरियलVIEW ALL [3]

संबंधित प्रश्‍न

Where is the image when you look at something in a mirror?


A ray of light strikes a plane mirror such that its angle of incidence is 30°. What angle does the reflected ray make with the mirror surface?


What type of reflection of light takes place from a cinema screen?


 An extended object in the form of an arrow pointing upward has been placed in front of a plane mirror. Draw a labelled ray-diagram to show the formation of its image.


A man sits in an optician's chair looking into  plane mirror which is 2 m away from him and views the image of a chart which faces the mirror and is 50 cm behind his head. How far away from his eyes does the chart appear to be?

 


If a ray of light goes form a denser medium to a rarer medium, will it bend towards the normal or away from the normal?


A ray of light passes from air into a block of glass. Does it bend towards the normal or away from it?


 A coin in a glass tumbler appears to rise as the glass tumbler is slowly filled with water. Name the phenomenon responsible for this effect.


 Name the phenomenon due to which a pencil partly immersed in water and held obliquely appears to be bent at the water surface.


A ray of light passes from a medium X to another medium Y. No refraction of light occurs if the ray of light hits the boundary of medium Y at an angle of:

(a) 0°
(b) 45°
(c) 90°
(d) 120°


Water is optically .......... than air.


When a ray of light travels from water to air, it bends ............. the normal.


What is atmospheric reflection? Explain with the help of a labelled diagram that the position of a star as seen by us is not its true position. 


The laws of reflection hold true for ______.


Lights of different colours are used as signal for safety transport. From these, the wavelength of red light is _______ nm.


You are given water, mustard oil, glycerine and kerosene. In which of these media a ray of light incident obliquely at same angle would bend the most?


If a beam of red light and a beam of violet light are incident at the same angle on the inclined surface of a prism from air medium and produce angles of refraction r and v respectively, which of the following is correct?


Mirage is an example of refraction and the total internal reflection of light.


Assertion: The air bubble shines in water.
Reason: Air bubble shines due to the refraction of light.


A ray of light starting from diamond is incident on the interface separating diamond and water. Draw a labelled ray diagram to show. the refraction of light in this case.


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