give the answer in very short
Answers
Answer:
.why is the image formed by irregular reflection not sharp
Explanation:
Regular ( uniform ) reflection
The regular reflection is the reflection of light
rays when they meet ( fall on ) a smooth
( uniform ) and glistening surface , where the
incident light rays are reflected in one direction .
When a beam of parallel light rays is incident on
a smooth and plane surface , the reflected rays
will also be parallel , and it is called the regular
reflection .
The regular reflection takes place when the light
rays are incident on a polished smooth surface
like a plane mirror , a stainless steel sheet and a
thin sheet of aluminum , so , the reflected rays
of light move only in a fixed direction .
We are able to see a very clear reflection on the
smooth surface , Every light ray is reflected
perfectly from the surface and bounces back in a
regular way , The reflected image is very clear
and sharp .
Irregular ( non-uniform ) reflection
Irregular reflection is the reflection of light rays
when they meet ( fall on ) a rough ( non-
uniform ) reflecting surface , where the incident
light rays are reflected in different directions .
When a beam of parallel light rays is scattered in
all directions , So , the parallel rays incident on
the surface will reflect in different directions ,
and it is called irregular or diffuse reflection .
Irregular reflection or diffused reflection takes
place when the light rays are incident on a
surface like a wall , the wood , a leaf of a tree , a
piece of leather , a piece of paper or a piece of
wool , which are not smooth or polished , so ,
the different portions of the surface reflect the
incident light rays in different directions .
There is no definite image formed , but the
surface becomes visible , It is commonly known
as scattering of light , and diffused reflection
makes non-luminous objects visible .
Not all the light rays which hits an object are
reflected , Some of the incident light rays are
absorbed ,The brightness of an object depends
on the intensity of the incident light rays and
also on the reflectivity of the object .
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