If a rectangular metal block with an initial volume of 3.2 x 10-6 m3 at 343 K

JAMB Physics 2023 50 views

If a rectangular metal block with an initial volume of 3.2 x 10-6 m3 at 343 K is heated to 842 K, and its coefficient of linear expansion is 1.2 x 10-5 K-1, what is the percentage change in its volume?

If a rectangular metal block with an initial volume of 3.2 x 10-6 m3 at 343 K is heated to 842 K, and its coefficient of linear expansion is 1.2 x 10-5 K-1, what is the percentage change in its volume?

  1. 1.0%
  2. 3.4%
  3. 1.8% ✓
  4. 2.6%

Explanation

This physics concept involves analyzing the given values and applying relevant formulas. Work through the problem step by step using known equations and constants.

Identify what quantity needs to be found and which formula connects the given information to the answer. Substitute the values carefully, paying attention to units.

Check that your calculated answer matches one of the options provided. Understanding the underlying principle helps verify the solution makes physical sense.

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