## Expansion of Solids - MCQ - Basic Level

Physics is an important subject in preparation for various Competitive exams. To keep a track of your preparation we have designed a small quiz of Basic Level Questions on Expansion of Solids. You have 10 minutes to solve the quiz, click the start timer button in order to start the timer and then click on submit button at the end to submit the quiz and view your scores and correct answers.

Q1. At some temperature T, a bronze pin in a little large to fit into a hole drilled in a steel block. The change in temperature required for an exact fit is minimum when

•  Only the block is heated
•  Both block and pin are heated together
•  Both block and pin are cooled together
•  Only the pin is cooled

Q2. If the length of a cylinder on heating increases by 2%, the area of its base will increase by

•  0.5%
•  2%
•  1%
•  4%

Q3. A thin wire of length L increases in length by 1% when heated to a certain range of temperature. If a thin copper plate of area 2L x L is heated through same range the percentage increase in area will be

•  3%
•  2.5%
•  1.5%
•  2%

Q4. Two rods of length L1 and L2 are made of materials of coefficients of linear expansions and Î±1 and Î±2 respectively such that L1Î±1 = L2Î±2. The temperature of the rods is increased by Î´T and correspondingly the change in their respective lengths be Î´L1 and Î´L2

•  Î´L1 is not equal to Î´L2
•  Î´L1 = Î´L2
•  Difference in length (L1 - L2) is a constant and is independent of rise of temperature
•  Data is insufficient to arrive at a conclusion

Q5. A rod of length 40 cm has the coefficient of linear expansion Î±1 = 6 x 10-6/°C. Another rod of length l has the coefficient of linear expansion Î±2 = 4 x 10-6/°C. If the difference in length of the two rods always remain same at all temperatures, then the value of l is

•  26 cm
•  60 cm
•  80 cm
•  32 cm

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Expansion of Solids - MCQ - Basic