(a) vinual and erect image
... reflection produces image.
2.
4. The angle of
.... is equal to the a
5. Light travels at a constant, finite speed of
DEFINE THE FOLLOWING TERMS
(c) a real and erect image
FILL IN THE BLANKS
1. The straight line propagation of light is called
3. A smooth and polished curved surface which reflect light is known as
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Differentiate between the following (3 points each)
a) Concave and convex mirror.
b) Real and virtual image.
Define a) Mirror b) lens c) prism d) rainbow e) lateral inversion
Which mirror is used as rear views mirror and why?
Why is it dangerous to look at the sun through a convex lens?
What is a Newton’s disc? How does it show that light is composed of many colours?
Why is concave mirror used in search lights & head lights?
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