If the units of length and force are increased four times, then the unit of energy will:
Correct answer: B. Increase 16 times
- A. Increase 8 times
- B. Increase 16 times
- C. Decrease 16 times
- D. Increase 4 times
Explanation
E=mc2 c=s/t Hence dimensionally, E=ML2T-2 E=(MLT-2)(L) =(4)(MLT-2)(4)(L)=16(ML2T-2)
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