Phase Changes & Latent Heat

Quiz on melting, boiling, and latent heat. Ideal for students preparing board exams and competitive tests.

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QUESTION NO 01

Thermal conductivity is highest typically for?

Answer: Metals

Metals generally have high thermal conductivity due to free electrons.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 02

Carnot engine operates between two?

Answer: Heat reservoirs

A Carnot engine exchanges heat with two reservoirs at different temperatures.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 03

Zeroth law of thermodynamics introduces the concept of?

Answer: Temperature

Zeroth law justifies temperature as a transitive equilibrium property.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 04

A process at constant volume is called?

Answer: Isochoric

Isochoric (isovolumetric) means constant volume; W = 0 for quasi-static PdV work.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 05

A process at constant pressure is called?

Answer: Isobaric

Isobaric means constant pressure.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 06

Internal energy of an ideal gas depends only on?

Answer: Temperature

For an ideal gas, U is a function of temperature alone.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 07

Triple point of water is approximately?

Answer: 0.01 °C at 611 Pa

Water's triple point is 0.01 °C and about 611.657 Pa.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 08

Radiation can transfer heat through?

Answer: Vacuum

Thermal radiation (EM waves) propagates through vacuum.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 09

Convection involves heat transfer by?

Answer: Bulk movement of fluid

Convection is heat carried by macroscopic motion of a fluid.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 10

Conduction is heat transfer through?

Answer: Direct molecular contact in matter

Conduction transfers heat via particle collisions/contact within a material.

Shahzad Mahota @shahzad-mahota

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Phase Changes & Latent Heat

Thermal conductivity is highest typically for?

Carnot engine operates between two?

Zeroth law of thermodynamics introduces the concept of?

A process at constant volume is called?

A process at constant pressure is called?

Internal energy of an ideal gas depends only on?

Triple point of water is approximately?

Radiation can transfer heat through?

Convection involves heat transfer by?

Conduction is heat transfer through?

Published By

Shahzad Mahota

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Phase Changes & Latent Heat

Thermal conductivity is highest typically for?

Explanation

Carnot engine operates between two?

Explanation

Zeroth law of thermodynamics introduces the concept of?

Explanation

A process at constant volume is called?

Explanation

A process at constant pressure is called?

Explanation

Internal energy of an ideal gas depends only on?

Explanation

Triple point of water is approximately?

Explanation

Radiation can transfer heat through?

Explanation

Convection involves heat transfer by?

Explanation

Conduction is heat transfer through?

Explanation

Published By

Shahzad Mahota

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