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What Are the Important Differences Between Looking at a Photograph of Your Face and Looking at Yourself in a Plane Mirror? - Science

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प्रश्न

What are the important differences between looking at a photograph of your face and looking at yourself in a plane mirror?

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उत्तर

       Photograph   Image in a Plane Mirror
 A photograph is made when a real image is projected on a photographic film. The image formed by a plane mirror is virtual and cannot be taken on a photograph.
The image is smaller in size compared to the actual object. The image is the same size as the object.
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अध्याय 4: Reflection of Light - Exercise 1 [पृष्ठ १७३]

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लखमीर सिंग Physics (Science) [English] Class 10
अध्याय 4 Reflection of Light
Exercise 1 | Q 20 | पृष्ठ १७३

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संबंधित प्रश्न

What is lateral inversion? Explain by giving a suitable example.


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(a) Incident ray
(b) Point of incidence
(c) Normal
(d) Reflected ray
(e) Angle of incidence
(f) Angle of reflection


Explain how to read the following message which was found on some blotting paper:


State two effects caused by the refraction of light.


As light rays pass from water into glass, are they refracted towards the normal or away from the normal?


Which phenomenon of light makes the water to appear shallower than it really is?


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


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The size of image of an object by a convex lens of focal length 20 cm is observed to be reduced to  `1/3` rd of its size . Find the distance of the object from the optical centre of the lens . 


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Observe the given figure and name the following.

Ray AB  
Ray NM  
Ray MD  
∠ r  

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Light travels fastest in a vacuum. Why?


Light is refracted or bent while going from one medium to another because of its ______ changes.


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