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Light

Question
CBSEENSC8005999
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Mention against each of the following whether regular or diffused reflection will take place when a beam of light strikes. Justify your answer in each case.

Cardboard surface

Solution

Cardboard surface has minute irregularities on it, so it will have a diffused reflection.

Some More Questions From Light Chapter

Describe an activity to show that the incident ray, the reflected ray and the normal at the point of incident lie in the same plane.

A person 1 m in front of a plane mirror seems to be _____ m from his image.

If you touch your _____ ear with right hand in front of a plane mirror it will be seen in the mirror that your right ear is touched with _____.

Fill in the blanks:

The size of the pupil becomes _________ when you see in dim light.

Night birds have ________ cones than rods in their eyes.

Angle of incidence is equal to the angle of reflection

Image formed by a plane mirror is

Describe the construction of a kaleidoscope.

Draw a labelled sketch of the human eye.

Gurmit wanted to perform the Activity of 'Throwing light on frinds eye' using a laser torch. Her teacher advised her not to do so. Can you explain the basis of the teachers advise?

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