Part of the eye which controls the light entering is called

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Important Questions on Light

EASY

8th CBSE

IMPORTANT

NCERT Exemplar Science - Class 8>Chapter 16 - Light>MULTIPLE CHOICE QUESTIONS>Q 2

We can see a non-luminous object when light

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8th CBSE

IMPORTANT

NCERT Exemplar Science - Class 8>Chapter 16 - Light>MULTIPLE CHOICE QUESTIONS>Q 3

Light is falling on surface

S_{1}, S_{2}, S_{3}

as shown in the figure below:
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Surfaces on which the angle of incidence is equal to the angle of reflection is/are:

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8th CBSE

IMPORTANT

NCERT Exemplar Science - Class 8>Chapter 16 - Light>MULTIPLE CHOICE QUESTIONS>Q 4

A tiny mirror M is fixed on a piece of cardboard placed on a table. The cardboard is illuminated by light from a bulb. The position of eye with respect to position of bulb is shown in figure as A, B, C and D. In which position mirror will be visible?

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EASY

8th CBSE

IMPORTANT

NCERT Exemplar Science - Class 8>Chapter 16 - Light>MULTIPLE CHOICE QUESTIONS>Q 5

A small hole P is made in a piece of cardboard. The hole is illuminated by a torch as shown in the figure below. The ray of light coming out of the hole falls on a mirror.
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