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PHYSICS

JAMB 2024 - Question 3

Physics 2024 JAMB Past Questions - Question 3: An object is placed 10m in front of a plane mirror. If it is moved 8 m further away from the mirror, what will be the new image distance from the object?

An object is placed 10m in front of a plane mirror. If it is moved 8 m further away from the mirror, what will be the new image distance from the object?

A: 8 m

B: 10 m

C: 18 m

D: 36 m

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Correct Answer

Explanation

36 m Initial object distance, u =10 m additional distance moved = 8 m new object distance =10m + 8m=18m since it is a plane mirror, the image distance is equal to the object distance. So, new image distance from the mirror is 18 m and 36m(18m+ 18m) from the object