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A metallic bar is heated from $0^{o}$ $C$ to $100^{o}$ $C$ . The coefficient of linear expansion is $10^{- 5} K^{- 1}$ . What will be the percentage increase in length?

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Important Questions on Thermal Properties of Matter

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IMPORTANT

Chapterwise/Topicwise Daily Practice Problems (DPP) Waves and Thermodynamics NEET>Chapter 1 - Thermal Properties of Matter>TOPICWISE QUESTIONS>Q 9

A pendulum clock has an iron pendulum

1 m

long

(α_{i r o n} = 10^{- 5}^{o} C^{- 1})

. If the temperature rises by

10 ° C

, the clock

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Chapterwise/Topicwise Daily Practice Problems (DPP) Waves and Thermodynamics NEET>Chapter 1 - Thermal Properties of Matter>TOPICWISE QUESTIONS>Q 10

Two rods having length $l_{1}$ and $l_{2}$ , and made of materials with the linear expansion coefficient $α_{1}$ and $α_{2}$ , respectively, were soldered together. The equivalent coefficients of linear expansion for the obtained rod is:

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Chapterwise/Topicwise Daily Practice Problems (DPP) Waves and Thermodynamics NEET>Chapter 1 - Thermal Properties of Matter>TOPICWISE QUESTIONS>Q 11

The coefficient of linear expansion of crystal in one direction is

α_{1}

and that in every direction perpendicular to it is

α_{2}

. The coefficient of cubical expansion is,

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Chapterwise/Topicwise Daily Practice Problems (DPP) Waves and Thermodynamics NEET>Chapter 1 - Thermal Properties of Matter>TOPICWISE QUESTIONS>Q 12

The coefficients of linear expansions of brass and steel are

α_{1}

and

α_{2}

respectively. When we take a brass rod of length

l_{1}

and a steel rod of length

l_{2}

0^{o} C

, then the difference in their lengths

(l_{2} - l_{1})

will remain same at all temperatures if:

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Chapterwise/Topicwise Daily Practice Problems (DPP) Waves and Thermodynamics NEET>Chapter 1 - Thermal Properties of Matter>TOPICWISE QUESTIONS>Q 13

The coefficient of linear expansion of steel and brass are

11 \times 10^{- 6}^{o} C^{- 1}

and

19 \times 10^{- 6}^{o} C^{- 1}

, respectively. If their difference in lengths at all temperatures is to be kept constant at

30 cm

, then lengths at

0^{o} C

should be:

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Chapterwise/Topicwise Daily Practice Problems (DPP) Waves and Thermodynamics NEET>Chapter 1 - Thermal Properties of Matter>TOPICWISE QUESTIONS>Q 14

If the length of a cylinder on heating increases by

2 %,

the area of its base will increase by:

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Chapterwise/Topicwise Daily Practice Problems (DPP) Waves and Thermodynamics NEET>Chapter 1 - Thermal Properties of Matter>TOPICWISE QUESTIONS>Q 15

A uniform metal rod is used as a bar pendulum. If the room temperature rises by

10 °C

, and the coefficient of linear expansion of the metal of the rod is

2 \times 10^{- 6}

per

°C

, then the period of the pendulum will have percentage increase of,

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Chapterwise/Topicwise Daily Practice Problems (DPP) Waves and Thermodynamics NEET>Chapter 1 - Thermal Properties of Matter>TOPICWISE QUESTIONS>Q 16

The volume of a solid decrease by

0.6 %

, when it is cooled through

50 °C

. If coefficient of linear expansion is,

A metallic bar is heated from 0oC to 100oC. The coefficient of linear expansion is 10-5 K-1. What will be the percentage increase in length?

Important Questions on Thermal Properties of Matter

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A metallic bar is heated from $0^{o}$ $C$ to $100^{o}$ $C$ . The coefficient of linear expansion is $10^{- 5} K^{- 1}$ . What will be the percentage increase in length?