6th Class Science Lights and Sound Question Bank Light

  • question_answer DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 2 You can make a simple periscope by placing two mirrors in a 'Z' shaped box as shown in figure below. Periscope is advice

    A) used in U-boats

    B) that makes use of reflection of light

    C) Both the above

    D) None of these

    Correct Answer: C

    Solution :

                   

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