24. What is the focal length of the minor if the object is placed 5 cm in front of a concave mirror and its image
appeared at 20 cm?
A. 4 cm
B. 3 cm
C. 2 cm
D. 1 cm
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24. What is the focal length of the minor if the object is placed 5 cm in front of a concave mirror and its image
appeared at 20 cm?
A. 4 cm
B. 3 cm
C. 2 cm
D. 1 cm
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Answer:
A. 4 po
Explaination:
20÷5=4