NEET UG PHYSICS MCQ: THERMAL PROPERTIES OF MATTER

1 Easy

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Application +4 | -1

In a resistance thermometer the resistances at

0^{\circ} \mathrm{C}

and

100^{\circ} \mathrm{C}

are

6.74

and

7.74 \mathrm{~ohm}

respectively. The temperature corresponding to

6.53 \mathrm{~ohm}

resistance is

View answer and explanation

Correct option: D

-21^{\circ} \mathrm{C}

Option D (

-21^{\circ} \mathrm{C}

) is correct because the temperature is calculated using the linear relationship between resistance and temperature in a resistance thermometer.

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40^{\circ} \mathrm{C}

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

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

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127^{\circ} \mathrm{C}

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

\sigma

+ \frac{1}{2}