MCQs of Physics chapter Physical World and Measurement for NEET Exam
Here are some multiple-choice questions (MCQs) related to the topic "Physical World and Measurement":
Questions:
1. Which of the following is a fundamental quantity? a) Length b) Area c) Volume d) Temperature
2. The SI unit of mass is: a) Kilogram b) Gram c) Pound d) Newton
3. The SI unit of time is: a) Second b) Minute c) Hour d) Day
4. Which of the following is a derived quantity? a) Force b) Length c) Time d) Mass
5. The scientific notation of 0.0000456 is: a) 4.56 x 10^4 b) 4.56 x 10^-4 c) 4.56 x 10^5 d) 4.56 x 10^-5
6. The circumference of a circle is given by the formula C = 2Ï€r. If the radius of a circle is 5 cm, what is its circumference? a) 10Ï€ cm b) 15Ï€ cm c) 20Ï€ cm d) 25Ï€ cm
7. Which of the following is not a base unit in the SI system? a) Kelvin b) Ampere c) Joule d) Mole
8. Which of the following is an example of a vector quantity? a) Speed b) Distance c) Temperature d) Velocity
9. The speed of light in a vacuum is approximately: a) 3 x 10^8 m/s b) 3 x 10^6 m/s c) 3 x 10^10 m/s d) 3 x 10^4 m/s
10. The branch of physics that deals with the behavior of matter and energy at the atomic and subatomic level is called: a) Quantum physics b) Classical physics c) Thermodynamics d) Electromagnetism
Answers:
1. a) Length
2. a) Kilogram
3. a) Second
4. a) Force
5. d) 4.56 x 10^-5
6. c) 20Ï€ cm
7. c) Joule
8. d) Velocity
9. a) 3 x 10^8 m/s
10. a) Quantum physics
11. Which of the following is an example of a scalar quantity? a) Velocity b) Acceleration c) Distance d) Force
12. The smallest unit of measurement in the metric system is: a) Micrometer b) Nanometer c) Millimeter d) Centimeter
13. The equation F = ma represents which fundamental law of motion? a) Newton's First Law b) Newton's Second Law c) Newton's Third Law d) Kepler's Law
14. The branch of physics that deals with the behavior of light is called: a) Optics b) Acoustics c) Thermodynamics d) Electromagnetism
15. Which of the following is not an example of a renewable energy source? a) Solar energy b) Wind energy c) Nuclear energy d) Hydroelectric energy
16. The resistance of an object to changes in its state of motion is called: a) Friction b) Inertia c) Gravity d) Momentum
17. The SI unit of electric current is: a) Volt b) Ampere c) Ohm d) Coulomb
18. The equation E = mc^2 represents the relationship between: a) Energy and velocity b) Mass and energy c) Force and acceleration d) Power and time
19. The branch of physics that deals with the behavior of gases is called: a) Thermodynamics b) Optics c) Fluid dynamics d) Quantum mechanics
20. The process of converting a solid directly into a gas, bypassing the liquid state, is called: a) Evaporation b) Sublimation c) Condensation d) Melting
Answers:
2. The SI unit of mass is: a) Kilogram b) Gram c) Pound d) Newton
3. The SI unit of time is: a) Second b) Minute c) Hour d) Day
4. Which of the following is a derived quantity? a) Force b) Length c) Time d) Mass
5. The scientific notation of 0.0000456 is: a) 4.56 x 10^4 b) 4.56 x 10^-4 c) 4.56 x 10^5 d) 4.56 x 10^-5
6. The circumference of a circle is given by the formula C = 2Ï€r. If the radius of a circle is 5 cm, what is its circumference? a) 10Ï€ cm b) 15Ï€ cm c) 20Ï€ cm d) 25Ï€ cm
7. Which of the following is not a base unit in the SI system? a) Kelvin b) Ampere c) Joule d) Mole
8. Which of the following is an example of a vector quantity? a) Speed b) Distance c) Temperature d) Velocity
9. The speed of light in a vacuum is approximately: a) 3 x 10^8 m/s b) 3 x 10^6 m/s c) 3 x 10^10 m/s d) 3 x 10^4 m/s
10. The branch of physics that deals with the behavior of matter and energy at the atomic and subatomic level is called: a) Quantum physics b) Classical physics c) Thermodynamics d) Electromagnetism
Answers:
1. a) Length
2. a) Kilogram
3. a) Second
4. a) Force
5. d) 4.56 x 10^-5
6. c) 20Ï€ cm
7. c) Joule
8. d) Velocity
9. a) 3 x 10^8 m/s
10. a) Quantum physics
Questions:
12. The smallest unit of measurement in the metric system is: a) Micrometer b) Nanometer c) Millimeter d) Centimeter
13. The equation F = ma represents which fundamental law of motion? a) Newton's First Law b) Newton's Second Law c) Newton's Third Law d) Kepler's Law
14. The branch of physics that deals with the behavior of light is called: a) Optics b) Acoustics c) Thermodynamics d) Electromagnetism
15. Which of the following is not an example of a renewable energy source? a) Solar energy b) Wind energy c) Nuclear energy d) Hydroelectric energy
16. The resistance of an object to changes in its state of motion is called: a) Friction b) Inertia c) Gravity d) Momentum
17. The SI unit of electric current is: a) Volt b) Ampere c) Ohm d) Coulomb
18. The equation E = mc^2 represents the relationship between: a) Energy and velocity b) Mass and energy c) Force and acceleration d) Power and time
19. The branch of physics that deals with the behavior of gases is called: a) Thermodynamics b) Optics c) Fluid dynamics d) Quantum mechanics
20. The process of converting a solid directly into a gas, bypassing the liquid state, is called: a) Evaporation b) Sublimation c) Condensation d) Melting
Answers:
11. c) Distance
12. b) Nanometer
13. b) Newton's Second Law
14. a) Optics
15. c) Nuclear energy
16. b) Inertia
17. b) Ampere
18. b) Mass and energy
19. c) Fluid dynamics
20. b) Sublimation
21. The SI unit of electric charge is: a) Ampere b) Coulomb c) Volt d) Ohm
22. The branch of physics that deals with the study of motion and the forces that cause it is called: a) Thermodynamics b) Optics c) Mechanics d) Electromagnetism
23. The bending of light as it passes from one medium to another is called: a) Diffraction b) Refraction c) Reflection d) Dispersion
24. The force of attraction between any two objects with mass is called: a) Friction b) Inertia c) Gravity d) Tension
25. The SI unit of power is: a) Watt b) Joule c) Newton d) Pascal
26. The branch of physics that deals with the behavior of sound is called: a) Optics b) Acoustics c) Thermodynamics d) Electromagnetism
27. The measure of the amount of matter in an object is called: a) Mass b) Weight c) Volume d) Density
28. The study of the relationship between heat, work, and energy is called: a) Thermodynamics b) Optics c) Electromagnetism d) Quantum mechanics
29. The speed at which an object travels in a particular direction is called: a) Velocity b) Acceleration c) Displacement d) Momentum
30. The process of converting a gas into a liquid is called: a) Evaporation b) Condensation c) Sublimation d) Melting
Answers:
12. b) Nanometer
13. b) Newton's Second Law
14. a) Optics
15. c) Nuclear energy
16. b) Inertia
17. b) Ampere
18. b) Mass and energy
19. c) Fluid dynamics
20. b) Sublimation
Questions:
22. The branch of physics that deals with the study of motion and the forces that cause it is called: a) Thermodynamics b) Optics c) Mechanics d) Electromagnetism
23. The bending of light as it passes from one medium to another is called: a) Diffraction b) Refraction c) Reflection d) Dispersion
24. The force of attraction between any two objects with mass is called: a) Friction b) Inertia c) Gravity d) Tension
25. The SI unit of power is: a) Watt b) Joule c) Newton d) Pascal
26. The branch of physics that deals with the behavior of sound is called: a) Optics b) Acoustics c) Thermodynamics d) Electromagnetism
27. The measure of the amount of matter in an object is called: a) Mass b) Weight c) Volume d) Density
28. The study of the relationship between heat, work, and energy is called: a) Thermodynamics b) Optics c) Electromagnetism d) Quantum mechanics
29. The speed at which an object travels in a particular direction is called: a) Velocity b) Acceleration c) Displacement d) Momentum
30. The process of converting a gas into a liquid is called: a) Evaporation b) Condensation c) Sublimation d) Melting
Answers:
21. b) Coulomb
22. c) Mechanics
23. b) Refraction
24. c) Gravity
25. a) Watt
26. b) Acoustics
27. a) Mass
28. a) Thermodynamics
29. a) Velocity
30. b) Condensation
31. The study of the behavior of light and its interaction with matter is called: a) Optics b) Acoustics c) Thermodynamics d) Electromagnetism
32. The SI unit of frequency is: a) Hertz b) Joule c) Watt d) Newton
33. The phenomenon of an object appearing to be a different color when viewed under different lighting conditions is called: a) Dispersion b) Reflection c) Interference d) Metamerism
34. The force that opposes the motion of objects through a fluid is called: a) Friction b) Inertia c) Drag d) Tension
35. The energy possessed by an object due to its motion is called: a) Potential energy b) Kinetic energy c) Thermal energy d) Chemical energy
36. The branch of physics that deals with the behavior of heat and its relation to energy and work is called: a) Thermodynamics b) Optics c) Electromagnetism d) Quantum mechanics
37. The bending of waves around obstacles or through openings is called: a) Diffraction b) Refraction c) Reflection d) Dispersion
38. The measure of the amount of space occupied by an object is called: a) Mass b) Weight c) Volume d) Density
39. The SI unit of pressure is: a) Pascal b) Joule c) Ampere d) Coulomb
40. The rate of change of velocity of an object is called: a) Velocity b) Acceleration c) Displacement d) Momentum
Answers:
22. c) Mechanics
23. b) Refraction
24. c) Gravity
25. a) Watt
26. b) Acoustics
27. a) Mass
28. a) Thermodynamics
29. a) Velocity
30. b) Condensation
Questions:
31. The study of the behavior of light and its interaction with matter is called: a) Optics b) Acoustics c) Thermodynamics d) Electromagnetism
32. The SI unit of frequency is: a) Hertz b) Joule c) Watt d) Newton
33. The phenomenon of an object appearing to be a different color when viewed under different lighting conditions is called: a) Dispersion b) Reflection c) Interference d) Metamerism
34. The force that opposes the motion of objects through a fluid is called: a) Friction b) Inertia c) Drag d) Tension
35. The energy possessed by an object due to its motion is called: a) Potential energy b) Kinetic energy c) Thermal energy d) Chemical energy
36. The branch of physics that deals with the behavior of heat and its relation to energy and work is called: a) Thermodynamics b) Optics c) Electromagnetism d) Quantum mechanics
37. The bending of waves around obstacles or through openings is called: a) Diffraction b) Refraction c) Reflection d) Dispersion
38. The measure of the amount of space occupied by an object is called: a) Mass b) Weight c) Volume d) Density
39. The SI unit of pressure is: a) Pascal b) Joule c) Ampere d) Coulomb
40. The rate of change of velocity of an object is called: a) Velocity b) Acceleration c) Displacement d) Momentum
Answers:
31. a) Optics
32. a) Hertz
33. d) Metamerism
34. c) Drag
35. b) Kinetic energy
36. a) Thermodynamics
37. a) Diffraction
38. c) Volume
39. a) Pascal
40. b) Acceleration
41. The study of the behavior of electric charges and their interaction with magnetic fields is called: a) Optics b) Electromagnetism c) Thermodynamics d) Acoustics
42. The SI unit of temperature is: a) Celsius b) Kelvin c) Fahrenheit d) Rankine
43. The phenomenon of a wave bouncing off a surface is called: a) Diffraction b) Refraction c) Reflection d) Dispersion
44. The force that opposes the relative motion of two surfaces in contact is called: a) Friction b) Inertia c) Tension d) Gravity
45. The energy stored in an object due to its position or configuration is called: a) Potential energy b) Kinetic energy c) Thermal energy d) Chemical energy
46. The branch of physics that deals with the study of electric charges at rest is called: a) Optics b) Electromagnetism c) Thermodynamics d) Quantum mechanics
47. The bending of light as it passes through different mediums with different refractive indices is called: a) Diffraction b) Refraction c) Reflection d) Dispersion
48. The measure of the mass per unit volume of a substance is called: a) Mass b) Weight c) Volume d) Density
49. The SI unit of work and energy is: a) Pascal b) Joule c) Ampere d) Coulomb
50. The product of an object's mass and its velocity is called: a) Velocity b) Acceleration c) Displacement d) Momentum
Answers:
32. a) Hertz
33. d) Metamerism
34. c) Drag
35. b) Kinetic energy
36. a) Thermodynamics
37. a) Diffraction
38. c) Volume
39. a) Pascal
40. b) Acceleration
Questions:
42. The SI unit of temperature is: a) Celsius b) Kelvin c) Fahrenheit d) Rankine
43. The phenomenon of a wave bouncing off a surface is called: a) Diffraction b) Refraction c) Reflection d) Dispersion
44. The force that opposes the relative motion of two surfaces in contact is called: a) Friction b) Inertia c) Tension d) Gravity
45. The energy stored in an object due to its position or configuration is called: a) Potential energy b) Kinetic energy c) Thermal energy d) Chemical energy
46. The branch of physics that deals with the study of electric charges at rest is called: a) Optics b) Electromagnetism c) Thermodynamics d) Quantum mechanics
47. The bending of light as it passes through different mediums with different refractive indices is called: a) Diffraction b) Refraction c) Reflection d) Dispersion
48. The measure of the mass per unit volume of a substance is called: a) Mass b) Weight c) Volume d) Density
49. The SI unit of work and energy is: a) Pascal b) Joule c) Ampere d) Coulomb
50. The product of an object's mass and its velocity is called: a) Velocity b) Acceleration c) Displacement d) Momentum
Answers:
41. b) Electromagnetism
42. b) Kelvin
43. c) Reflection
44. a) Friction
45. a) Potential energy
46. b) Electromagnetism
47. b) Refraction
48. d) Density
49. b) Joule
50. d) Momentum
51. The study of the behavior of fluids, both liquids and gases, is called: a) Optics b) Fluid dynamics c) Thermodynamics d) Quantum mechanics
52. The SI unit of electric potential is: a) Volt b) Ampere c) Coulomb d) Ohm
53. The phenomenon of a wave changing direction as it passes from one medium to another is called: a) Diffraction b) Refraction c) Reflection d) Dispersion
54. The force that pulls objects towards the center of the Earth is called: a) Friction b) Inertia c) Gravity d) Tension
55. The energy associated with the random motion of particles is called: a) Potential energy b) Kinetic energy c) Thermal energy d) Chemical energy
56. The branch of physics that deals with the behavior of electrical phenomena is called: a) Optics b) Electromagnetism c) Thermodynamics d) Acoustics
57. The phenomenon of a wave bending around obstacles or spreading out after passing through an opening is called: a) Diffraction b) Refraction c) Reflection d) Dispersion
58. The measure of the force of gravity acting on an object is called: a) Mass b) Weight c) Volume d) Density
59. The SI unit of electric resistance is: a) Pascal b) Joule c) Ampere d) Ohm
60. The rate of change of displacement of an object is called: a) Velocity b) Acceleration c) Displacement d) Momentum
Answers:
42. b) Kelvin
43. c) Reflection
44. a) Friction
45. a) Potential energy
46. b) Electromagnetism
47. b) Refraction
48. d) Density
49. b) Joule
50. d) Momentum
Questions:
52. The SI unit of electric potential is: a) Volt b) Ampere c) Coulomb d) Ohm
53. The phenomenon of a wave changing direction as it passes from one medium to another is called: a) Diffraction b) Refraction c) Reflection d) Dispersion
54. The force that pulls objects towards the center of the Earth is called: a) Friction b) Inertia c) Gravity d) Tension
55. The energy associated with the random motion of particles is called: a) Potential energy b) Kinetic energy c) Thermal energy d) Chemical energy
56. The branch of physics that deals with the behavior of electrical phenomena is called: a) Optics b) Electromagnetism c) Thermodynamics d) Acoustics
57. The phenomenon of a wave bending around obstacles or spreading out after passing through an opening is called: a) Diffraction b) Refraction c) Reflection d) Dispersion
58. The measure of the force of gravity acting on an object is called: a) Mass b) Weight c) Volume d) Density
59. The SI unit of electric resistance is: a) Pascal b) Joule c) Ampere d) Ohm
60. The rate of change of displacement of an object is called: a) Velocity b) Acceleration c) Displacement d) Momentum
Answers:
51. b) Fluid dynamics
52. a) Volt
53. b) Refraction
54. c) Gravity
55. c) Thermal energy
56. b) Electromagnetism
57. a) Diffraction
58. b) Weight
59. d) Ohm
60. a) Velocity
52. a) Volt
53. b) Refraction
54. c) Gravity
55. c) Thermal energy
56. b) Electromagnetism
57. a) Diffraction
58. b) Weight
59. d) Ohm
60. a) Velocity
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