GuideFoot - Learn Together, Grow Smarter. Logo

Questions in physics

📝 Answered - An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

📝 Answered - YR.& SEC. DATE: QUIZ NO. 1 Nuclear physics deals with the structure and behavior of atomic nuclei. A. Instructions: Write Yes if the statement correctly describes the branch of physics mentioned. Write No if it does not. Thermodynamics studies energy transfer, especially in the form of heat. 6 2 Atomic physics is focused on celestial objects like stars and galaxies. 7 Astrophysics is concerned with physical properties and processes of celestial bodies. 3 Mechanics studies the motion and forces acting on objects. 8 Acoustics is the branch of physics that studies heat and temperature. 9 4 5 Optics deals with the behavior and properties of light. B. Instructions: Encircle the letter of the correct answer for each question. Geophysics applies physics to study the Earth's interior and physical processes. Biophysics applies the principles of physics to understand biological systems. 10 Mechanics is mainly about sound waves and vibrations. 1. Which branch of physics deals with the motion of objects and the forces acting upon them? A. Optics B. Mechanics C. Geophysics D. Biophysics 2. Which branch studies the behavior of light and its interaction with matter? A. Acoustics B. Optics C. Classical Physics D. Modern Physics 3. Which branch of physics focuses on the nucleus of the atom and nuclear reactions? A. Nuclear Physics B. Atomic Physics C. Biophysics D. Acoustics 4. What branch of physics applies physical principles to biological systems? A. Thermodynamics B. Geophysics C. Mechanics D. Nuclear Physics 5. Which branch includes the study of sound and vibrations? A. Optics B. Acoustics C. Optics D. Classical Physics 6. What branch of physics involves the study of the universe beyond Earth, including stars and galaxies? A. Atomic Physics B. Geophysics C. Astrophysics D. Geophysics 7. Which field of physics studies Earth's physical properties such as earthquakes and magnetism? A. Biophysics B. Geophysics C. Classical Physics D. Thermodynamics 8. What branch of physics is concerned with energy transfer, particularly heat and work? A. Thermodynamics B. Mechanics C. Modern Physics D. Acoustics 9. Which field is focused on electrons and atomic structure, separate from nuclear interactions? A. Biophysics B. Atomic Physics C. Biophysics D. Astrophysics 10. Which branch of physics studies phenomena that cannot be explained by classical physics, such as relativity and quantum mechanics? A. Mechanics B. Classical Physics C. Modern Physics D. Acoustics

📝 Answered - Select the best answer for the question. Which one of the following accurately describes the universal gravitational law? A. Every object that has mass attracts other objects within a million-mile radius. B. Objects with small masses have more gravitational attraction to each other than objects with large masses. C. As the distance between any two bodies increases, the gravitational force between them decreases. D. Solid bodies attract other solid bodies, but liquid and gas don't participate in universal gravitation.

📝 Answered - Which element is magnetic? A. calcium B. copper C. carbon D. cobalt

📝 Answered - An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

📝 Answered - An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

📝 Answered - Lights connected in parallel are __________ than lights connected in series. Which of the following completes the sentence?

📝 Answered - An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

📝 Answered - An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

📝 Answered - Complete the following statement: Relative motion between the ? and ? is needed to have a voltage induced. A. conductor/commutator B. conductor/magnetic field C. magnetic field / flux lines D. magnetic field / power source