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Debarka Das Gupta from Silchar Don Bosco School, Silchar

Subject :NSO Class : Class 7

What is the angle of incidence and angle of reflection in the given figure?

A 360°
B 180°
C 90°
D 0°

answer is dwhich is 0'

Ans 1:

I Riona Angel from Pincushion Montessori International School, Vellore

Class : Class 7

I have the same problem

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore

Class : Class 7

SOF, I am not able to see the points Q, R and S in the given image. They are not marked. I request you to kindly rectify this error.

Gauri Singh from St Johns School Marhauli, Varanasi

Class : Class 8

Yes, it's option D..

arnav raj sharma from ST. Xaviers High school, Gurgaon

Class : Class 7

I also cant see Q R S in the question