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Thermodynamics-Concept of Temperature [AIIMS (All India Institute of Medical Sciences) Physics]: Questions 1 - 2 of 2
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Question 1
Question MCQ▾
As in figure below shows plates of same size but of two different materials A and B are connected end to end in thermal contact. The open end of A is kept at and open end of B is kept at . The ratio of thermal conductivity of A and B is given as .
The steady – state temperature of the interface is -
Choices
Choice (4) | Response | |
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a. | ||
b. | ||
c. | ||
d. |
Question 2
Question MCQ▾
A large steel wheel is to be fitted on to a shaft of the same material. At , the diameter of the shaft is 10.00 cm and the diameter of the hole is 9.98 cm. The shaft is cooled using ‘dry ice’ . At what temperature of the shaft does the wheel slip into the shaft?
(Give for steel ) .
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |