A. One water
B. One Joule
C. One ampere
D. One kilogram

Correct Answer: Option B

B. One Joule

Explanation

1N × 1m = 1Nm = 1 Joul (F × d = Work/Energy)

SEE ALSO  A swimming pool is 2.1m deep. If it contains water of refractive index 1.3, calculate the apparent depth of pool?

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