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

A. 100 K

B. 10 K

C. 10°C

D. 0°C

A. Latent heat of liquefaction

B. Resilience by the above method

C. Vaporization

D. Sublimation

A. decreases

B. becomes zero

C. remains constant

D. increases

A. The walls of flask are separated by vacuum and made of glass which is a poor conductor of heat

B. The glass walls themselves have shiny surfaces

C. The surface of inner wall radiates good amount of heat and the surface of outer wall absorbs some of the heat that is radiated from the inner wall

D. The cork supports are poor conductors of heat

A. λ_mT = constant

B. $$\frac{{{\lambda _m}}}{T}$$ = constant

C. $$\frac{T}{{{\lambda _m}}}$$ = constant

D. T + λ_m = constant

A. increases

B. decreases

C. remains constant

D. fluctuates

A. Wool is a bad conductor of heat

B. Wool is a good conductor of heat

C. Wool increases body temperature

D. Wool decreases body temperature

A. Condensation

B. Evaporation

C. Sublimation

D. None of the above

A. 78 K

B. 341 K

C. 373 K

D. 351 K

A. Regulate body temperature

B. Regulate body water supply

C. Get rid of body poison

D. Keep the skin pores clear of dirt