NEET UG PHYSICS MCQ: THERMAL PROPERTIES OF MATTER

1 Easy

1 of 1

Application +4 | -1

A liquid column of height 80cm at

{0^0}C

balances the same liquid of height 80.4 cm at 1000C.

{r_R}

View answer and explanation

Correct option: C

5 \times {10^{ - 5}}/{\,^0}C

Option C (

5 \times {10^{ - 5}}/{\,^0}C

) is correct because it is calculated using the formula for the coefficient of volume expansion based on the change in height of the liquid column.

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60 \mathrm{~cm} \times 50 \mathrm{~cm} \times 20 \mathrm{~cm}

1 \mathrm{~cm}

0^{\circ} \mathrm{C}

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3.4 \times 10^5 \mathrm{~J} \mathrm{~kg}^{-1}

\left. {0.05{\text{W}}{{\text{m}}^{ - 1}}^\circ {{\text{C}}^{ - 1}}} \right)

2 \times 10^5 \mathrm{~J} / \mathrm{sm}^2

127^{\circ} \mathrm{C}

32 \times 10^5 \mathrm{~J} / \mathrm{s}-\mathrm{m}^2

\sigma

+ \frac{1}{2}