Of the possible statements that parallel rays are brought to a focus by a 1) concave mirror, 2) convex mirror, 3) converging lens, 4) diverging lens, the correct answer is
a. 1 and 2.
b. 3 and 4.
c. 1 and 3.
d. 2 and 3.
e. 2 and 4.
c
Physics & Space Science
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