The active element of a certain laser is made of a glass rod 30.0 cm long by 1.50 cm in diameter. If the temperature of the rod increases by 65.0°C, what is the increase in (a) Its length, (b) Its diameter, and (c) Its volume? Assume that the average coefficient of linear expansion of the glass is 9.00 X 10-6 (°C)-1.
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