# NCERT Solutions Class 8 Science Solutions for Exercise in Chapter 16 - Light

Question 6 Exercise

Q2) Differentiate between regular and diffused reflection. Does diffused reflection mean the failure of the laws of reflection?

Solution:

Regular reflection

1. In regular reflection, the reflected rays are parallel to each other.

2. Regular reflection occurs from a nicely polished regular reflective surface.

Diffused reflection

1. In diffused reflection, the reflected rays are not parallel to each other.

2. It occurs from a diffused or irregular surface.

In diffused reflection, the surface is rough. Laws of reflection hold true. Due to irregularities on the surface, reflected rays scatter in different directions.

Video transcript
Hello friends, welcome to yet another lido homework session in today's class, we are going to be doing a science problem so let's begin with the question the question here is differentiate between regular and diffused reflection does diffuse reflection means that the failure of the loss of reflection so to this the question we have is two parts so let's begin with the first part of The question, the first part, is to differentiate regular and diffused reflection so I am differentiating regular and diffused reflection so this is regular diffusion this is regular reflection sorry regular reflection and this is a diffused Reflection so the first one in regular reflection is that in regular reflection reflected rays are parallel to each other so in regular reflection reflected ray rays are parallel to each other to each other [Music] whereas in diffused reflection the reflected rays are not parallel to each other so here reflected reflected rays are not parallel to each other to each other so in regular reflection reflected rays are parallel whereas diffused reflection reflected rays are not parallel to each other the second differentiation is that in regular reflection this reflection occurs from a polished Regularly reflected surface whereas in diffuse reflection the diffused reflection occurs from a diffused or irregular surfaces so let's write our answer the second point the second point this reflection this reflection occur from Nice from a nicely polished surface polished surface so this reflection occurs from a Nicely polished I can say nicely polished regular reflected surface Nicely polished regular reflected surface so regular reflection in regular reflect that the reflection occurs from a nicely polished regular reflected surface whereas in diffused reflection it occurs it occurs from a diffused from a diffused or irregular from a diffused or Irregular surface irregular a regular the surface so in diffused reflection reflection occurs from irregular or diffused surface whereas in regular reflection occurs from a polished surface so this is the first part of the question. I have finished doing the Differentiation now let's see what the second part of the question the second part of the question says does diffuse reflection mean failure? of the law of reflection so let's see what the answer is that in diffuse reflection the surface is rough so the law of reflection holds true. so let's write in diffused Reflection in diffused Reflection the surface the surface is rough the surface is rough so the law of so the law of reflection law of low of Reflection holds true and why due to due to irregularities due to irregularities on the surface of the surface due to irregularities on the surface the reflected the reflected ray scatter indifferent directions in different direction so in diffuse reflection since the The surface is rough the law of reflection is true and why due to irregularities on the surface the reflected ray scatters in different Directions and thereby the law of reflection will become true for diffused reflection so friends i hope you have understood the solution of this question if you have any doubts or queries, please comment below and if you like this video give it a big thumbs up. and for further such videos, please subscribe to this channel till then thank you all
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