TSP Quiz

Dimension of Entropy is ..............................

• ML²T^-2K^-1

• ML²T^-1K^-2

• MLT^-2K^-1

• ML²T^-2K^-2

What is the SI unit of Entropy?

• Joules per Kelvin (J/K)

• Kilograms per meter squared per second squared per Kelvin (kg/m²/s²/K)

• Joules per meter squared per Kelvin (J/m²/K)

• Kilograms per meter per second squared per Kelvin (kg/m/s²/K)

Which law of thermodynamics is associated with the concept of Entropy?

• Zeroth Law of Thermodynamics

• First Law of Thermodynamics

• Second Law of Thermodynamics

• Third Law of Thermodynamics

Enthalpy is the total heat of the system under constant .................................

• temperature

• volume

• pressure

• entropy

Which of the following is not the characteristic of Plank's black body radiation distribution?

• As temperature increases, the peak of the curve shift towards higher wavelength

• Spectral emissive power varies continuously with the change in wavelength

• At a given wavelength, as temperature increases, emissive power also increases

• More than one of the above

A black body has maximum wavelength (λ₁) at 2000 K. Its corresponding wavelength at 3000 K is ...................

A Protostar is ......................

• a cloud of gas and dust beginning to form a star

• a super giant star

• a white dwarf star

• the name of the entire star life cycle

What happens when fusion stops in a star's core?

• The star dies immediately.

• The outside and core of the star swells into a red supergiant.

• The outside of the star swells into a red supergiant while the core condenses.

• The star's core expands.

• The star's core expands and then the star supernovas.

What Spectral classification is our Sun.?

• B

• F

• M

• G

The lowest-mass stars cannot become giants because

• they do not contain helium.

• . they rotate too slowly.

• they cannot heat their centers hot enough.

• they contain strong magnetic fields.