Podcast
Questions and Answers
Which term best describes a heat engine's ability to convert part of the heat supplied into work?
Which term best describes a heat engine's ability to convert part of the heat supplied into work?
- Reservoir thermal capacity
- Thermal efficiency (correct)
- Heat conversion ratio
- Thermodynamic effectiveness
In linear Simple Harmonic Motion (SHM), where is the restoring force half its maximum value?
In linear Simple Harmonic Motion (SHM), where is the restoring force half its maximum value?
- At twice the amplitude
- At the equilibrium position (correct)
- At one-fourth the amplitude
- At one-third the amplitude
What defines wattless current in a circuit?
What defines wattless current in a circuit?
- Current exhibiting purely capacitive behavior
- Current leading to zero power consumption (correct)
- Current with zero voltage drop
- Current with no resistance
What primarily determines the wavelength of light emitted by an LED?
What primarily determines the wavelength of light emitted by an LED?
According to Einstein's photoelectric equation, what happens to the maximum kinetic energy of the electron when the photon energy is equal to the photoelectric work function?
According to Einstein's photoelectric equation, what happens to the maximum kinetic energy of the electron when the photon energy is equal to the photoelectric work function?
How does light interact with matter based on the text?
How does light interact with matter based on the text?
What is the significance of the 'photoelectric work function' mentioned in the text?
What is the significance of the 'photoelectric work function' mentioned in the text?
Why do some electrons come out of the metal with maximum kinetic energy, as per the text?
Why do some electrons come out of the metal with maximum kinetic energy, as per the text?
In a thermodynamic process where dW is less than 0 and dQ is greater than 0, what can be concluded about the temperature, volume, and pressure?
In a thermodynamic process where dW is less than 0 and dQ is greater than 0, what can be concluded about the temperature, volume, and pressure?
During a refrigeration cycle, where does the refrigerant reject heat?
During a refrigeration cycle, where does the refrigerant reject heat?
If a gas in a closed container was heated with 10 J of energy, causing the lid to rise 2m with a force of 3 N, what is the total change in the energy of the system?
If a gas in a closed container was heated with 10 J of energy, causing the lid to rise 2m with a force of 3 N, what is the total change in the energy of the system?
What does the second law of thermodynamics primarily deal with?
What does the second law of thermodynamics primarily deal with?
In the context of the text, what does the pressure due to the liquid at depth h depend on?
In the context of the text, what does the pressure due to the liquid at depth h depend on?
If the free surface of the liquid is open to the atmosphere, what is the absolute pressure within the liquid at a depth h?
If the free surface of the liquid is open to the atmosphere, what is the absolute pressure within the liquid at a depth h?
What factor makes the restoring torque in angular SHM directly proportional to the angular displacement?
What factor makes the restoring torque in angular SHM directly proportional to the angular displacement?
How would an increase in the torsion constant affect the period of angular SHM?
How would an increase in the torsion constant affect the period of angular SHM?
