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Physics-

General

Easy

Question

The expansion of unit mass of a perfect gas at constant pressure is shown in the diagram. Here:–

a = volume, b = $^{\circ} C$ temperature
a = volume, b = K temperature
a = $^{\circ} C$ temperature, b = volume
a = K temperature, b = volume

The correct answer is: a = $blank to the power of ring operator end exponent C$ temperature, b = volume

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At $20 to the power of ring operator end exponent C$ a liquid is filled upto 10 cm height in a container of glass of length 20 cm and cross-sectional area 100 cm2 Scale is marked on the surface of container. This scale gives correct reading at $20 to the power of ring operator end exponent C$ . $text Given end text gamma subscript L end subscript equals 5 cross times 10 to the power of negative 5 end exponent k to the power of negative 1 end exponent comma alpha subscript g end subscript equals 1 cross times 10 to the power of negative 5 end exponent$ °C^–1. The reading of scale at 40°C is-

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