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Question

Once I suddenly woke up in bed and, by mistake, saw the image of my clock in a plane mirror and panicked that I was late. The time it showed was 8:45. (The clock did not have numbers on it). The correct time was -


A

2:45

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B

3:15

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C

3:45

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D

4:15

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Solution

The correct option is B

3:15


An extended object like a clock will form a laterally inverted image in a plane mirror. The image of the clock shows 8:45, which would look like the image given below:

Hence the clock would look like:

Hence, the correct time is 3:15.


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