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JEE PHYSICS MCQ: THERMAL PROPERTIES OF MATTER
1
Medium
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Understanding
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When a rod is heated, its linear expansion depends on
a) Initial length
b) Area of cross section
c) Mass
d) Temperature rise
a) Initial length
b) Area of cross section
c) Mass
d) Temperature rise
View answer and explanation
Correct option: B
a d are correct
Option B (a & d are correct) is correct because linear expansion depends on the initial length and the temperature rise, as described by the formula .
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