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प्रश्न
Two rods A and B of the same metal, but of length 1 m and 2 m respectively, are heated from 0°C to 100°C. Then
विकल्प
both the rods A and B elongate the same
the rod A elongates more than the rod B
the rod B elongates more than the rod A
the rod A elongates, but the rod B contracts.
उत्तर
the rod B elongates more than the rod A
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