Then remove the mirror and draw the 'normal. Place the plane mirror on it and trace its outline on the paper.
Procedure: Pin the white sheet of paper firmly on the drawing board. The experiment to verify these laws is as follows:Īpparatus required: a drawing board, a white sheet of paper, a few common pins and a plane mirror. The angle of incidence Draw a labelled sketch of the human eye.Q.9 Describe the construction of a kaleidoscope.(d) real, behind the mirror and of the same size as the object. (c) real at the surface of the mirror and enlarged. (b) virtual, behind the mirror and of the same size as the object. (a) virtual, behind the mirror and enlarged. Q.7 The angle of incidence is equal to the angle of reflection.(d) Night birds have _ cones than rods in their eyes. (c) The size of the pupil becomes _ when you see in dim light. (b) If you touch your _ ear with a right hand in front of a plane mirror it will be seen in the mirror that your right ear is touched with _ (a) A person 1 m in front of a plane mirror seems to be _ m away from his image. Q.6 Fill in the blanks in the following.Q.5 Describe an activity to show that the incident ray, the reflected ray and the normal at the point of incidence lie in the same plane.(d) Marble floor with water spread over it Q.3 Mention against each of the following whether regular or diffused reflection will take place when a beam of light strikes.Does diffused reflection mean the failure of the laws of reflection? Q.2 Differentiate between regular and diffused reflection.Can you see objects in the room? Can you see objects out¬side the room ? NCERT solutions of related questions for Light