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A solid substance has a molar volume which is smaller than that of its liquid phase. Which of the following statements regarding the solid-liquid phase transition is/are true?
(More than one answer may be selected).
A The slope of the solid-liquid phase boundary line is directly proportional to the temperature at which the phases are in equilibrium.
B The magnitude of the slope of the solid-liquid phase-boundary line will be much greater than that of the liquid-vapour phase boundary line.
C The fusion (melting) process is always exothermic.
D The slope of the solid-liquid phase boundary is positive.
What is the hall effect? Derive expression for it.
A ROCKETSHIP IN FREE SPACE MOVES WITH CONSTANT ACCELERATION OF 9.8 METER PER SECOND SQUARE. IF IT STARTS FROM REST HOW LONG IT WILL TAKE TO ACQUIRE A SPEED ONE-TENTH THAT OF LIGHT
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Eddy current loss is proportional to the (A) Frequency. (B) Square of the frequency. (C) Cube of the frequency. (D) Square-root of the frequency.
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Loschmidt constant; Loschmidt number; NL: The number of particles per unit volume of an ideal gas at standard temperature & pressure. It has the value 2.687 19 x 10 25 m -3 .
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