2. Sample Papers
  3. 4th Class
  4. Science

4th Class Science Sample Paper Science Olympiad Model Test Paper-18

  • question_answer
    In the process shown below:

    A) Sound energy is changed into light energy.

    B) Light energy is changed into chemical energy.

    C) Electrical energy is changed into mechanical energy.

    D) Mechanical energy is changed into chemical energy.

    E) None of these

    Correct Answer: B

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