Gamma Question Bank for Engineering Physics>Chapter 10 - Thermal Properties of Matter>Assignment>Q 12

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The coefficient of volume expansion for an ideal gas at constant pressure

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Important Questions on Thermal Properties of Matter

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Gamma Question Bank for Engineering Physics>Chapter 10 - Thermal Properties of Matter>Assignment>Q 13

A spherical black body with a radius of

12 cm

radiates

450 W

power at

500 K

. If the radius were halved with the temperature doubled, the power radiated in watt would be

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Gamma Question Bank for Engineering Physics>Chapter 10 - Thermal Properties of Matter>Assignment>Q 14

A thin walled cylindrical metal vessel

(α = 10^{- 3} K^{- 1})

contains a liquid

(γ = 10^{3} K^{- 1})

If the vessel and its contents are now heated by

10 K

the pressure due to the liquid at the bottom

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Gamma Question Bank for Engineering Physics>Chapter 10 - Thermal Properties of Matter>Assignment>Q 15

When the temperature of a body increases from

T

to

T + Δ T

, its moment of inertia increases from

I

to

I + ΔI

. The coefficient of linear expansion of the body is

α

. The ratio

\frac{ΔI}{I}

is equal to

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Gamma Question Bank for Engineering Physics>Chapter 10 - Thermal Properties of Matter>Assignment>Q 1

Which of the following statement are correct?

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Gamma Question Bank for Engineering Physics>Chapter 10 - Thermal Properties of Matter>Assignment>Q 2

The water equivalent of a copper calorimeter is

4.5 g

. If the specific heat of copper is

0.09

cal

g^{- 1} {{}^{\circ}C}^{- 1}

, the

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Gamma Question Bank for Engineering Physics>Chapter 10 - Thermal Properties of Matter>Assignment>Q 3

When

m gm

of water at

10 ° C

is mixed with

m gm

of ice at

0 ° C

, which of the following statements are false?

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Gamma Question Bank for Engineering Physics>Chapter 10 - Thermal Properties of Matter>Assignment>Q 4

Due to thermal expansion, with rise in temperature:

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Gamma Question Bank for Engineering Physics>Chapter 10 - Thermal Properties of Matter>Assignment>Q 5

Two identical beakers are filled with water to the same level at

4 ° C

. If one say

A

is heated while the other

B

is cooled, then:-