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प्रश्न
A concave mirror of focal length 20 cm forms an image having twice the size of object. For the virtual position of object, the position of object will be at ______.
पर्याय
25 cm
40 cm
10 cm
At infinity
MCQ
रिकाम्या जागा भरा
उत्तर
A concave mirror of focal length 20 cm forms an image having twice the size of object. For the virtual position of object, the position of object will be at 10 cm.
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