Q.

Figure shows the temperature variation when heat is added continuously to a specimen of ice (10 g) at 40 °C at constant rate. (Specific heat of ice = 0.53 cal/g °C and Lice = 80 cal/g,L=540 cal/g)

Figure shows the temperature variation when heat is added continuously to a  specimen of ice 10 g at -40∘ C at constant rate. Specific heat of ice = 0.53  cal / g

Column–I                                      Column–II

A) Value of Q1 (in cal)                                                     P) 800

(B) Value of Q2 (in cal)                                                   (Q) 1000

(C) Value of Q3 (in cal)                                                   (R) 5400

(D) Value of Q4 (in cal)                                                   (S) 212

                                                                                        (T) 900

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a

AS; BP; CQ; DR 

b

AP; BS; CR; D

c

AS; BP; CQ; DT

d

AP; BS; CQ; DR

answer is D.

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Detailed Solution

Q1=msT=10×12×40=200    (S)

Q2=mL=10×80                            (P)

Q3=msT=10×1×100=1000(Q)

Q4=mL=10×540=5400           (R)

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