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8th Class Science Light Question Bank Light

  • question_answer
    If two plane mirrors are inclined at an angle of \[\text{90 }\!\!{}^\circ\!\!\text{ }\] to each other, how many images of an object are seen?

    A) Only 1

    B) Only 2

    C) Only 3

    D) Any of 1, 2, 3 or 4 depending on the position of observer and object.

    Correct Answer: C

    Solution :

    Number of image\[\text{=}\frac{360{}^\circ }{\theta }-1=\frac{360{}^\circ }{90{}^\circ }-1\]             \[=4-1=3\]


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