Question
(a) What is a virtual image?
(b) When is a virtual formed? [3 MARKS]
(b) When is a virtual formed? [3 MARKS]
Answer:
:
(a) Definition: 1 Mark
(b)Explanation: 2 Marks
(a) The image that cannot be obtained on a screen is called a virtual image.
(b) Avirtual imageis animage formedwhen the outgoing rays from a point on an object always diverge. Theimageappears to be located at the point of apparent divergence. Because the rays never really converge, avirtual imagecannot be projected onto a screen.
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:
(a) Definition: 1 Mark
(b)Explanation: 2 Marks
(a) The image that cannot be obtained on a screen is called a virtual image.
(b) Avirtual imageis animage formedwhen the outgoing rays from a point on an object always diverge. Theimageappears to be located at the point of apparent divergence. Because the rays never really converge, avirtual imagecannot be projected onto a screen.
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