Heat and Thermodynamics MCQ question and answer with solution | Physics Gk MCQs

A. Optics

B. Acoustics

C. Thermodynamics

D. Relativity

A. any positive value ranging from zero to infinity

B. always negative value

C. any positive value ranging from five to infinity

D. zero value

A. Measurement of thermal energy

B. Speed of molecules

C. Transfer via electromagnetic waves

D. Thermodynamic properties of substances

A. Bottle shrinks on freezing

B. The volume of water decreases on freezing

C. The volume of water increases on freezing

D. Glass is the bad conductor of heat

A. Ethanol

B. Ethylene glycol

C. Methanol

D. Propyl alcohol

A. The starting point of any temperature scale

B. Theoretically the lowest possible temperature

C. The temperature at which the vapour of any liquid substance is condensed

D. The temperature at which all material are in vapour form

A. thermistor

B. dipole

C. transistor

D. capacitor

A. Melting point

B. Latent heat

C. Boiling point

D. Latent heat of fusion

A. C_vΔ T

B. $$\frac{{{C_p}}}{{{C_v}}}\Delta T$$

C. $$\frac{{{C_v}}}{{Cp}}\Delta T$$

D. C_pΔ T

A. reversible engine is greater than the irreversible engine

B. two engines are equal

C. each engine is 100%

D. irreversible engine is greater than the reversible engine