2. Questions Bank
  3. 7th Class
  4. Science
  5. Heat

7th Class Science Heat Question Bank Heat

  • question_answer
    Direction: Read the given experiment and answer the following questions.
    Paper pins are stuck to a metal rod with wax and a lighted candle is kept below the rod as shown in the diagram below.
     
    Which one of the paper pins will fall off the metal rod first?                     

    A) P                                 

    B) O                     

    C) R                     

    D) S           

    Correct Answer: A

    Solution :

    The paper pin P falls off first as the heat travels along the length of the rod from the hot end to the cold end.


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