(TP2) Chapter 8 Light and Optics (science form 1)

Example of uses of concave mirror

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To observe object in outer space

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To observe tiny objects

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To observer away objects on earth

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To observer the condition above the surface of the ocean from a submarine

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Properties of light:

Light travels in a straight line

• True

• False

Properties of light:

Sound travels faster than light

• True

• False

Properties of light:

Light cannot penetrate opaque surface

• True

• False

Properties of light:

The shadow is formed when light rays are blocked by a transparent object

• True

• False

Law of reflection:

_(a)_ , _(b)_ and _(c)_ all lie on the same plane.

• incident ray

• reflected ray

• normal line

• angle of incident

• angle of reflection