Question

Rahul takes $1$ minute to raise a box to a height of $1$ metre and Rohan takes $1/2$ minute to do the same. Which of the following is true of the energy spent by the two?

• A. Energy spent by Rahul is more
• B. Energy spent by both Rahul and Rohan is the same
• C. Energy spent by Rohan is more
• D. Energy spent by Rahul is less

Answer 1

The correct option is B Energy spent by both Rahul and Rohan is the same

• Since same amount of work is done by both,therefore energy spent by both is same.
  
• Although power is different for both.