Question
Why is a convex lens called a converging lens and a concave lens a diverging lens? [3 MARKS]
Answer:
:
Converging property with diagram: 1.5 Marks
Diverging property with diagram: 1.5 Marks
If parallel rays of light fall on a convex lens they converge when passing through and meet at a point on the other side. That's why the convex lens is known as a converging lens.
If parallel rays of light fall on a concave lens they diverge as they pass through the lens never to meet at a point.That's why we call them diverging lens.
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:
Converging property with diagram: 1.5 Marks
Diverging property with diagram: 1.5 Marks
If parallel rays of light fall on a convex lens they converge when passing through and meet at a point on the other side. That's why the convex lens is known as a converging lens.
If parallel rays of light fall on a concave lens they diverge as they pass through the lens never to meet at a point.That's why we call them diverging lens.
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