A solid material is supplied with heat at a constant rate. The temperature of the material is changing with heat input as shown (i) AB: change of state from solid to liquid. CD: change of state from liquid to vapour (ii) When `CD=2AB`, i.e., latent heat of vapourization is twice the latent heat of fusion of the substance. (iii) The reciprocal of slope of DE represents the heat capacity of vapour state of substance . (iv) If slope of `OAgt`slope of BC, i.e., specific heat of liquid state is greater than specific heat that of solid state.A. (i),(iii)B. (ii),(iii)C. (iii),(iv)D. (i),(iv)

A solid material is supplied with heat at a constant rate. The temper

1.	A solid material is supplied with heat at a constant rate. The temperature of the material is changing with heat input as shown (i) AB: change of state from solid to liquid. CD: change of state from liquid to vapour (ii) When `CD=2AB`, i.e., latent heat of vapourization is twice the latent heat of fusion of the substance. (iii) The reciprocal of slope of DE represents the heat capacity of vapour state of substance . (iv) If slope of `OAgt`slope of BC, i.e., specific heat of liquid state is greater than specific heat that of solid state.A. (i),(iii)B. (ii),(iii)C. (iii),(iv)D. (i),(iv)
Answer» Correct Answer - D

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