A closed hollow insulated cylinder is filled with gas at 0°C and also contains an insulated piston of negligible weight and negligible thickness at the middle point. The gas on one side of the piston is heated to 100°C. If the piston moves 5 cm, the length of the hollow cylinder is -
(1) 13.65 cm
(2) 27.3 cm
(3) 38.6 cm
(4) 64.6 cm
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(4) Using Boyle’s law, we have constant
As the piston moves 5 cm, the length of one side will be and other side . On solving this equation, we get l = 64.6 cm.