Multiple Choice Questions on If a man rsquo s face is 25 cm in front of concave shaving mirror producing erect image 1 5 times th........... for 10th Standard Preparation

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Multiple Choice Questions

If a man rsquo s face is 25 cm in front of concave shaving mirror producing erect image 1 5 times th...........

Physics Chapter - 10
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    If a man’s face is 25 cm in front of concave shaving mirror producing erect image 1.5 times the size of face, focal length of the mirror would be

    75 cm

    Correct Answer

    25 cm

    Incorrect Answer

    15 cm

    Incorrect Answer

    60 cm

    Incorrect Answer
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    Explanation:

    In concave shaving mirror, virtual erect and large size image, behind the mirror is obtained, using

    Hence, focal length of concave mirror is 75 cm.

    By: santosh
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