2. Questions Bank
  3. 9th Class
  4. Science
  5. Work and energy

9th Class Science Work and energy Question Bank Work and Energy

  • question_answer
    Potential energy of an object at a height h is\[{{E}_{p}}=mgh\]. This equation is true only if
    (i) The acceleration due to gravity is constant.
    (ii) The potential energy is path dependent.
     

    A) Only (i) is true.

    B) Only (ii) is true.

    C) Both (i) and (ii) are false

    D) Both (i) and (ii) are true.

    Correct Answer: A

You need to login to perform this action.
You will be redirected in 3 sec spinner