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Q. In a railway track, two rails are joined end to end with a gap in between them because
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Q. Two bulbs of 100W and 60W are operating on 220 V line. The ratio of their resistance is
Q. Out of the following pairs, which one does not have identical dimension?
Q. For an object, the state of rest is considered to be the state of ________ speed.
Q. Transverse waves can propagate
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