ESS-UNIT-4-Part-2 December 8, 2023 Contents Results - #1. In the semiconductor industry, the behavior of charge carriers in semiconductors is crucial for the development of: Batteries Batteries Motors Motors Transistors Transistors Gears Gears #2. Quantum dots, leveraging quantum mechanical properties, find applications in: Classical computers Classical computers Solar cells Solar cells Mechanical engines Mechanical engines Hydraulic systems Hydraulic systems #3. What physics principles are essential for modeling and controlling the motion of robotic systems? Kinematics and Dynamics Kinematics and Dynamics Thermodynamics Thermodynamics Optics and Photonics Optics and Photonics Quantum Mechanics Quantum Mechanics #4. Physics-based sensors, such as accelerometers and gyroscopes, are crucial for: Medical diagnosis Medical diagnosis Cooking Cooking Robotics navigation Robotics navigation Musical composition Musical composition #5. What branch of physics is fundamental for designing vehicles and predicting their performance? Astrophysics Astrophysics Fluid Dynamics Fluid Dynamics Thermodynamics Thermodynamics Quantum Mechanics Quantum Mechanics #6. Material science in vehicle design involves selecting materials for specific properties. Which is an essential consideration? Color Color Taste Taste Weight Weight Sound Sound #7. Optics and photonics are crucial for designing measurement devices. What is an example of such a device? Compass Compass Spectrometer Spectrometer Clock Clock Hammer Hammer #8. Signal processing in quality control enhances the: Volume of production Volume of production Accuracy of instruments Accuracy of instruments Brightness of lights Brightness of lights Temperature of machinery Temperature of machinery #9. Thermodynamics principles contribute to designing energy-efficient systems for: Coal mining Coal mining Solar panels Solar panels Wind turbines Wind turbines Nuclear reactors Nuclear reactors #10. What does nuclear physics provide insights into for sustainable energy? Biological systems Biological systems Chemical reactions Chemical reactions Nuclear reactions Nuclear reactions Astrophysical phenomena Astrophysical phenomena #11. What is the primary purpose of a diode in electronic circuits? Amplification Amplification Rectification Rectification Oscillation Oscillation Modulation Modulation #12. In semiconductor physics, what is the bandgap? The energy level of an electron The energy level of an electron The energy difference between valence and conduction bands The energy difference between valence and conduction bands The temperature at which a semiconductor operates The temperature at which a semiconductor operates The density of charge carriers in a semiconductor The density of charge carriers in a semiconductor #13. Which physics concept is crucial for ensuring stability in the control of robotic systems? Chaos theory Chaos theory Control theory Control theory Quantum mechanics Quantum mechanics Friction Friction #14. In robotics, what do accelerometers primarily measure? Temperature Temperature Speed Speed Acceleration Acceleration Pressure Pressure #15. What is the purpose of a wind tunnel in aerodynamics testing? Simulating atmospheric conditions Simulating atmospheric conditions Testing engine efficiency Testing engine efficiency Evaluating vehicle design under airflow Evaluating vehicle design under airflow Generating electricity Generating electricity #16. The study of materials under extreme conditions in aerospace applications is known as: Extreme physics Extreme physics Aerospace chemistry Aerospace chemistry Materials science Materials science Astroengineering Astroengineering #17. What is the primary role of a spectrometer in quality control? Measuring temperature Measuring temperature Analyzing spectra of light Analyzing spectra of light Weighing objects Weighing objects Recording time intervals Recording time intervals #18. In metrology, what is a fundamental unit of measurement for length? Newton Newton Watt Watt Ampere Ampere Meter Meter #19. What aspect of thermodynamics is essential for designing efficient solar panels? First law of thermodynamics First law of thermodynamics Second law of thermodynamics Second law of thermodynamics Third law of thermodynamics Third law of thermodynamics Zeroth law of thermodynamics Zeroth law of thermodynamics #20. The study of the impact of human activities on the Earth's climate falls under the domain of: Environmental physics Environmental physics Astrobiology Astrobiology Geochemistry Geochemistry Seismology Seismology Finish