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The active element of a certain laser is made of a glass rod 29.0 cm long...

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Physics

The active element of a certain laser is made of a glass rod29.0 cm long and 1.40 cm in diameter. Assume the averagecoefficient of linear expansion of the glass is equal to 9.00 10-6(°C)−1. The temperature of the rod increases by 62.0°C.

(a) What is the increase in its length? . cm

(b) What is the increase in its diameter?. cm

(c) What is the increase in its volume? cm3

Answer & Explanation Solved by verified expert
4.1 Ratings (778 Votes)
Solution length of the glass rod lo 290 cm Diameter of the glass rod Do 140 cm Coefficient of linear expansion 900106oC1 Change in the temperature T 620 oC Part a The increase in the length l is given by l loT l    See Answer
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