statement (1): A thin rod and a thick rod made of the same material having the same length are heated through the same range of the temperature. Then both the rods expand equally.
statement (2): The linear expansion $e = l α Δ t$

statement 1 and statement 2 are correct and statement 2 is correct explanation for statement 1

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statement 1 and statement 2 are correct and statement 2 is not correct explanation for statement 1

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statement 1 is true and statement 2 is false

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statement 1 is wrong and statement 2 is true

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Solution

The correct option is A statement 1 and statement 2 are correct and statement 2 is correct explanation for statement 1
Since linear expansion does not depend on the cross-section area. hence, both the rod will expand by the same length.
Therefore statement 1 is true and a statement 2 is also a correct explanation.

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Similar questions

- 1 :

0 < x < y \Rightarrow {log}_{a} x > {log}_{a} y

a > 1

- 2 :

a > 1, {log}_{a} x

Statement 1: In the figure areas of both parallelogram ABCD and the triangle ABE are equal.

Statement 2: Both the triangle and parallelogram have same base and height.

Pick the correct option

\sum_{r = 0}^{n} (r + 1)^{n} C_{r} = (n + 2) 2^{n - 1} .

\sum_{r = 0}^{n} (r + 1)^{n} C_{r} x^{r} = (1 + x)^{n} + n x (1 + x)^{n - 1} .

\sum_{r = 0}^{n} (r + 1)^{n} C_{r} = (n + 2) 2^{n - 1} .

\sum_{r = 0}^{n} (r + 1)^{n} C_{r} x^{r} = (1 + x)^{n} + n x (1 + x)^{n - 1} .

(p \lor q) \land \sim p

\sim p \land q

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