2. Sample Papers
  3. 9th Class
  4. General Knowledge

9th Class General Knowledge Sample Paper General Knowledge Olympiad Model Test Paper-2

  • question_answer
    For a ray of light to suffer total internal reflection it has to pass from ______.

    A)  glass to water               

    B)  water to glass

    C)  air to water      

    D)  air to glass

    E)  None of these

    Correct Answer: C

    Solution :

    Not Available    


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