THE SCOPE OF PHYSICS
1. Which branch of physics deals with the study of motion and forces?
- a) Thermodynamics
- b) Optics
- c) Mechanics
- d) Electromagnetism
2. Which branch of physics focuses on the behavior of matter and energy at the atomic and subatomic levels?
- a) Quantum mechanics
- b) Acoustics
- c) Astrophysics
- d) Geophysics
3. Which branch of physics studies the properties of light and its interaction with matter?
- a) Electrodynamics
- b) Nuclear physics
- c) Optics
- d) Plasma physics
4. Which branch of physics investigates the principles and applications of electricity and magnetism?
- a) Atomic physics
- b) Thermodynamics
- c) Particle physics
- d) Electromagnetism
5. Which branch of physics deals with the study of heat and its relation to energy and work?
- a) Thermodynamics
- b) Geophysics
- c) Fluid mechanics
- d) Condensed matter physics
6. Which branch of physics focuses on the study of sound and its properties?
- a) Astrophysics
- b) Acoustics
- c) Solid-state physics
- d) Quantum mechanics
7. Which branch of physics studies the behavior and properties of matter in extreme conditions, such as high pressures and temperatures?
- a) Plasma physics
- b) Particle physics
- c) High-energy physics
- d) Condensed matter physics
8. Which branch of physics investigates the principles of electricity and electrical circuits?
- a) Magnetism
- b) Optics
- c) Electrostatics
- d) Nuclear physics
9. Which branch of physics focuses on the study of the Earth's physical properties, processes, and structure?
- a) Geophysics
- b) Atomic physics
- c) Astrophysics
- d) Solid-state physics
10. Which branch of physics deals with the study of the fundamental particles and their interactions?
- a) Quantum mechanics
- b) Particle physics
- c) Nuclear physics
- d) Electrodynamics
11. Which unit system is the most widely used and accepted worldwide?
- a) United States customary units
- b) Imperial system
- c) Metric system
- d) International System of Units (SI)
12. The SI unit of electric charge is:
- a) Volt
- b) Ohm
- c) Ampere
- d) Coulomb
13. Which unit is used to measure temperature in the SI system?
- a) Celsius
- b) Fahrenheit
- c) Kelvin
- d) Rankine
14. The unit of pressure in the SI system is:
- a) Newton
- b) Joule
- c) Pascal
- d) Kilogram
15. The SI unit of luminous intensity is:
- a) Lux
- b) Watt
- c) Hertz
- d) Candela
16. Which unit is used to measure electric resistance in the SI system?
- a) Ampere
- b) Volt
- c) Coulomb
- d) Ohm
17. The unit of energy in the SI system is:
- a) Watt
- b) Newton
- c) Joule
- d) Kilogram
18. The SI unit of frequency is:
- a) Ohm
- b) Coulomb
- c) Hertz
- d) Ampere
19. Which unit is used to measure length in the SI system?
- a) Centimeter
- b) Inch
- c) Meter
- d) Kilometer
20. The unit of power in the SI system is:
- a) Joule
- b) Ampere
- c) Volt
- d) Watt
21. Which of the following is a dimensionless quantity?
- a) Force
- b) Work
- c) Power
- d) Mole
22. What are the dimensions of pressure?
- a) MLT⁻²
- b) ML⁻²T⁻²
- c) M²LT⁻²
- d) ML²T⁻¹
23. What are the dimensions of angular momentum?
- a) ML²T⁻¹
- b) ML²T
- c) M²L²T⁻¹
- d) M²L²T⁻²
24. What is the dimension of torque?
- a) ML²T⁻²
- b) ML⁻²T⁻²
- c) MLT⁻¹
- d) ML²T⁻¹
25. Which of the following is a fundamental dimension?
- a) Ampere
- b) Kelvin
- c) Mole
- d) Second
26. What is the dimension of capacitance?
- a) M⁻¹L⁻²T⁴A²
- b) M⁻²L⁻⁴T⁴A²
- c) M⁻²L⁻⁴T⁴A²
- d) M⁻²L⁻⁴T²A²
27. What are the dimensions of magnetic flux?
- a) M²L²T⁻¹A⁻¹
- b) M²L⁻²T⁻¹A
- c) M²L²T⁻²A
- d) M²L²T⁻²A⁻¹
28. What is the dimension of electric charge?
- a) M⁰L⁰T⁰A
- b) M⁰L⁰T¹A
- c) M⁰L⁰T¹A¹
- d) M⁰L⁰T⁻¹A
29. What are the dimensions of resistance?
- a) ML²T⁻²A⁻²
- b) M²L²T⁻¹A⁻²
- c) ML²T⁻³A⁻²
- d) ML²T⁻³A⁻¹
30. What is the dimension of frequency?
- a) M⁻¹L⁰T⁻¹
- b) M⁻¹L⁻²T⁻¹
- c) M⁰L⁰T⁻¹
- d) M⁻²L⁰T⁻¹
31. What is the dimension of density?
- a) M⁻¹L⁻²T²
- b) M⁰L⁻³T³
- c) M⁰L⁻³T⁻³
- d) M⁻¹L⁻³T⁻³
32. What are the dimensions of impulse?
- a) ML²T⁻¹
- b) MLT⁻¹
- c) M²L²T⁻¹
- d) MLT⁻¹
33. What is the dimension of work?
- a) ML²T⁻²
- b) ML²T⁻²
- c) MLT⁻¹
- d) ML⁻²T⁻²
34. What are the dimensions of acceleration?
- a) M⁻¹LT⁻¹
- b) M⁻¹L⁻¹T⁻²
- c) M⁻²L⁻¹T⁻²
- d) M⁰LT⁻²
35. What is the dimension of volume?
- a) M⁰L⁻³
- b) M⁰L³
- c) M²L³
- d) M⁰L⁰T⁻³
36. What are the dimensions of impulse-momentum?
- a) MLT⁻¹
- b) ML²T⁻¹
- c) ML²T⁻²
- d) ML⁻¹T⁻²
37. What is the dimension of angular velocity?
- a) M⁻¹LT⁻²
- b) M⁻¹L⁰T⁻¹
- c) M⁰L⁰T⁻¹
- d) M⁻²L⁻²T⁻²
38. What are the dimensions of the electric field?
- a) M⁰L⁻¹T⁻¹A⁻¹
- b) M⁻¹L⁻¹T⁻¹A
- c) M⁰L⁻¹T⁻²A
- d) M⁰L⁻¹T⁻¹A⁻¹
39. What is the dimension of wavelength?
- a) M⁻¹L
- b) M⁰L⁰T
- c) M⁰L⁰T⁻¹
- d) M⁻²L⁻²T
40. What are the dimensions of a magnetic field?
- a) M⁰L⁻¹T⁻²A
- b) M⁰L⁰T⁻²A
- c) M⁰L⁻¹T⁻¹A⁻¹
- d) M⁰L⁻¹T⁻²A⁻¹
- a) 3
- b) 1
- c) 2
- d) 4
- a) 2
- b) 3
- c) 4
- d) 5
- a) Take the average of the significant figures in the original measurements.
- b) Round the result to the nearest whole number.
- c) Use the same number of significant figures as the measurement with the fewest significant figures.
- d) Count the total number of digits in the original measurements.
- a) 1
- b) 2
- c) 3
- d) 6
- a) 5.8
- b) 4.9
- c) 4.88
- d) 4.680
- a) 2
- b) 3
- c) 4
- d) 5
- a) Round the result to the nearest whole number.
- b) Count the total number of digits in the original measurements.
- c) Use the same number of decimal places as the measurement with the fewest decimal places.
- d) Use the same number of significant figures as the measurement with the most significant figures.
- a) 2
- b) 4
- c) 5
- d) 7
- a) 2
- b) 3
- c) 4
- d) 5
- a) 0.0413
- b) 0.041244
- c) 0.04135
- d) 0.041
- c) Mechanics
- a) Quantum mechanics
- c) Optics
- d) Electromagnetism
- a) Thermodynamics
- b) Acoustics
- d) Condensed matter physics
- c) Electrodynamics
- a) Geophysics
- b) Particle physics
- d) International System of Units (SI)
- d) Coulomb
- c) Kelvin
- c) Pascal
- d) Candela
- d) Ohm
- c) Joule
- c) Hertz
- c) Meter
- d) Watt
- d) Mole
- b) ML⁻²T⁻²
- a) ML²T⁻¹
- a) ML²T⁻²
- d) Second
- d) M⁻²L⁻⁴T²A²
- a) M²L²T⁻¹A⁻¹
- b) M⁰L⁰T¹A
- d) ML²T⁻³A⁻¹
- c) M⁰L⁰T⁻¹
- b) M⁰L⁻³T³
- a) ML²T⁻¹
- b) ML²T⁻²
- d) M⁰LT⁻²
- b) M⁰L³
- a) MLT⁻¹
- c) M⁰L⁰T⁻¹
- c) M¹L¹T⁻³A⁻¹
- a) M⁰L¹T⁰
- b) M¹L⁰T⁻²A⁻¹
- c) 2
- b) 3
- c) Use the same number of significant figures as the measurement with the fewest significant figures.
- a) 1
- b) 4.9
- b) 3
- c) Use the same number of decimal places as the measurement with the fewest decimal places.
- c) 5
- b) 3
- a) 0.0413
