Physics-
General
Easy
Question
A triangular plate has two cavities, one square and one rectangular as shown in figure. The plate is heated.
- a increase, b decrease
- a and b both increase
- a and b increase, x and decrease
- a, b, x and all increase
The correct answer is: a, b, x and all increase
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Three rods of equal length are joined to form an equilateral triangle ABC.D is the midpoint of AB. The coefficient of linear expansion is a1 for AB, and for AC and BC. If the distance DC remains constant for small changes in temperature:–
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