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PHYSICS IN GENERAL SOLVED MCQs

Physics Solved MCQs

1. Which of the following is NOT a fundamental force in nature?

a) Gravitational force

b) Electromagnetic force

c) Strong nuclear force

d) Weak nuclear force


2. Which branch of physics deals with the study of motion and forces?

a) Thermodynamics

b) Optics

c) Mechanics

d) Electromagnetism


3. Which of the following is a scalar quantity?

a) Velocity

b) Acceleration

c) Force

d) Energy


4. Which law of thermodynamics states that it is impossible to reach absolute zero temperature?

a) First law of thermodynamics

b) Second law of thermodynamics

c) Third law of thermodynamics

d) Fourth law of thermodynamics


5. What is the SI unit of electric charge?

a) Ampere

b) Coulomb

c) Volt

d) Ohm


6. Which of the following is NOT a type of radioactive decay?

a) Alpha decay

b) Beta decay

c) Gamma decay

d) Electron decay


7. Which type of electromagnetic radiation has the highest energy?

a) Radio waves

b) Microwaves

c) X-rays

d) Gamma rays


8. Which of the following is NOT a type of lens?

a) Convex lens

b) Concave lens

c) Cylindrical lens

d) Prism lens


9. Which law of motion states that for every action, there is an equal and opposite reaction?

a) First law of motion

b) Second law of motion

c) Third law of motion

d) Fourth law of motion


10. Which of the following is a type of renewable energy source?

a) Coal

b) Oil

c) Natural gas

d) Solar


11. Who is known for developing the theory of general relativity?

A) Isaac Newton

B) Albert Einstein

C) Niels Bohr

D) Werner Heisenberg


12. Who discovered radioactivity?

A) Marie Curie

B) Thomas Edison

C) Nikola Tesla

D) Michael Faraday


13. Who is known for discovering the laws of motion?

A) Isaac Newton

B) Galileo Galilei

C) Robert Boyle

D) Blaise Pascal


14. Who proposed the theory of quantum mechanics?

A) Erwin Schrodinger

B) Max Planck

C) Richard Feynman

D) Paul Dirac


15. Who is known for discovering the double helix structure of DNA?

A) Francis Crick

B) Rosalind Franklin

C) James Watson

D) Maurice Wilkins


16. What is the difference between speed and velocity?

a. Speed is a scalar quantity while velocity is a vector quantity.

b. Speed is a vector quantity while velocity is a scalar quantity.

c. Speed and velocity are the same thing.

d. Speed and velocity have no relation to each other.


17. What is the acceleration of an object if its velocity changes from 10 m/s to 20 m/s in 5 seconds?

a. 10 m/s

b. 2 m/s2

c. 4 m/s2

d. 50 m/s


18. Which of the following is a force?

a. Speed

b. Velocity

c. Gravity

d. Acceleration


19. What is the acceleration due to gravity on Earth?

a. 9.8 m/s

b. 9.8 m/s2

c. 98 m/s

d. 98 m/s2


20. A car travels 200 meters in 20 seconds. What is its speed?

a. 20 m/s

b. 10 m/s

c. 200 m/s

d. 4000 m/s


21. Which of the following is a scalar quantity?

a) Force

b) Velocity

c) Acceleration

d) Temperature


22. Which of the following has the unit of kg m/s2?

a) Force

b) Mass

c) Weight

d) Pressure


23. Which of the following is not affected by gravity?

a) Mass

b) Weight

c) Volume

d) Density


24. Which of the following is a vector quantity?

a) Mass

b) Temperature

c) Time

d) Velocity


25. The weight of an object on the moon is about one-sixth of its weight on Earth. This is because the gravitational acceleration on the moon is:

a) Less than that on Earth

b) Greater than that on Earth

c) The same as that on Earth

d) Zero


26. Pressure is defined as:

a) Force per unit area

b) Mass per unit volume

c) Work done per unit of time

d) Energy per unit volume


27. Which of the following is a measure of the average kinetic energy of the particles in a substance?

a) Mass

b) Weight

c) Temperature

d) Pressure


28. The SI unit of temperature is:

a) Kelvin

b) Celsius

c) Fahrenheit

d) All of them


29. Which of the following is a scalar quantity?

a. Velocity

b. Acceleration

c. Force

d. Temperature


30. Which of the following is a vector quantity?

a. Time

b. Distance

c. Speed

d. Displacement


31. Which of the following quantities has both magnitude and direction?

a. Mass

b. Volume

c. Speed

d. Force


32. Which of the following quantities has only magnitude?

a. Acceleration

b. Momentum

c. Weight

d. Distance


33. Which of the following is an example of a vector quantity?

a. 20 meters

b. 50 kilometers per hour

c. 10 Newtons

d. 5 kilograms


34. Which of the following is an example of a scalar quantity?

a. Displacement

b. Velocity

c. Mass

d. Acceleration


35. Which of the following is an example of a vector quantity?

a. Time

b. Power

c. Torque

d. Force


36. Which of the following quantities has both magnitude and direction?

a. Energy

b. Work

c. Momentum

d. Power


37. Which of the following quantities has only magnitude?

a. Velocity

b. Displacement

c. Force

d. Acceleration


38. Which of the following is an example of a scalar quantity?

a. Current

b. Magnetic field

c. Electric field

d. Voltage


39. Which of Newton's laws of motion states that an object will remain at rest or in uniform motion in a straight line unless acted upon by an external force?

a) Newton's First Law

b) Newton's Second Law

c) Newton's Third Law

d) None of the above


40. Which of Newton's laws of motion states that the force acting on an object is directly proportional to its mass and acceleration?

a) Newton's First Law

b) Newton's Second Law

c) Newton's Third Law

d) None of the above


41. Which of Newton's laws of motion states that for every action, there is an equal and opposite reaction?

a) Newton's First Law

b) Newton's Second Law

c) Newton's Third Law

d) None of the above


42. Which of the following is an example of Newton's First Law?

a) A ball rolling down a hill

b) A rocket accelerating in space

c) A book resting on a table

d) All of the above


43. Which of the following is an example of Newton's Second Law?

a) A ball rolling down a hill

b) A rocket accelerating in space

c) A book resting on a table

d) All of the above


44. Which of the following is an example of Newton's Third Law?

a) A ball rolling down a hill

b) A rocket accelerating in space

c) A book resting on a table

d) A person jumping off a diving board


45. Which of the following is an example of kinematics?

a) a car moving on a highway

b) a ball rolling down a hill

c) a pendulum swinging back and forth

d) a rocket taking off


46. Which of the following is an example of mechanics?

a) the study of light and optics

b) the study of electric and magnetic fields

c) the study of motion and forces

d) the study of thermodynamics and heat transfer


47. Which of the following equations represents the relationship between distance, velocity, and time?

a) d = vt

b) v = d/t

c) t = d/v

d) v = t/d


48. Which of the following equations represents the relationship between force, mass, and acceleration?

a) F = ma

b) a = F/m

c) m = F/a

d) F = m/a


49. Which of the following is an example of a vector quantity?

a) Time

b) Temperature

c) Distance

d) Velocity


50. Which of the following is a form of potential energy?

a) Kinetic energy

b) Thermal energy

c) Gravitational energy

d) Sound energy


51. What is the SI unit of energy?

a) Joule

b) Newton

c) Watt

d) Current


52. Which law of thermodynamics states that energy cannot be created or destroyed, only transferred or converted?

a) First law of thermodynamics

b) Second law of thermodynamics

c) Third law of thermodynamics

d) None of the above


53. Which type of energy is associated with the motion of atoms and molecules?

a) Kinetic energy

b) Thermal energy

c) Nuclear energy

d) Electrical energy


54. What type of energy is produced by the flow of electric charge?

a) Kinetic energy

b) Electrical energy

c) Nuclear energy

d) Magnetic energy


55. Which type of energy is associated with the motion of an object?

a) Potential energy

b) Electrical energy

c) Nuclear energy

d) Kinetic energy


56. Which type of energy is stored in the bonds between atoms and molecules?

a) Thermal energy

b) Potential energy

c) Electrical energy

d) Nuclear energy


57. What type of energy is released during a nuclear reaction?

a) Thermal energy

b) Potential energy

c) Electrical energy

d) Nuclear energy


58. What type of energy is associated with the position of an object in a gravitational field?

a) Kinetic energy

b) Sound energy

c) Potential energy

d) Thermal energy


59. Which type of energy is associated with the motion of electrons and protons?

a) Electrical energy

b) Magnetic energy

c) Kinetic energy

d) Sound energy


60. What is sound energy?

a) The energy that causes an object to vibrate

b) The energy of a sound wave

c) The energy produced by a musical instrument

d) The energy required to produce a sound


61. Sound energy is a type of _____ energy.

a) Potential

b) Kinetic

c) Thermal

d) Electrical


62. What is the unit of measurement for sound energy?

a) Watt

b) Joule

c) Decibel

d) Hertz


63. What is the relationship between the loudness of a sound and the amount of energy it contains?

a) They are directly proportional

b) They are inversely proportional

c) There is no relationship

d) It depends on the frequency of the sound


64. Which of the following materials is the best conductor of sound energy?

a) Air

b) Water

c) Steel

d) Rubber


65. What happens to the energy of a sound wave as it travels further away from its source?

a) It decreases

b) It increases

c) It stays the same

d) It depends on the frequency of the sound


66. Which of the following factors affects the speed of sound in a medium?

a) Temperature

b) Pressure

c) Density

d) All of the above


67. What is the range of human hearing in terms of frequency?

a) 20 Hz to 20 kHz

b) 1 Hz to 1 kHz

c) 100 Hz to 10 kHz

d) 50 Hz to 15 kHz


68. How does the amplitude of a sound wave affect its energy?

a) Higher amplitude means higher energy

b) Lower amplitude means higher energy

c) There is no relationship between amplitude and energy

d) It depends on the frequency of the sound


69. Which of the following is an example of a mechanical wave?

a) Radio wave

b) X-ray

c) Sound wave

d) Lightwave


70. What is stress energy?

a) A measure of the amount of energy stored in a system

b) A measure of the amount of stress experienced by a material

c) A measure of the amount of energy per unit volume

d) A measure of the amount of stress per unit volume


71. What is the stress-energy tensor?

a) A mathematical object that describes the distribution of stress and energy in space-time

b) A mathematical object that describes the distribution of momentum and energy in space-time

c) A mathematical object that describes the distribution of stress and momentum in space-time

d) A mathematical object that describes the distribution of stress and energy in a material


72. According to Einstein's theory of relativity, what happens to the stress-energy tensor in the presence of gravity?

a) It remains the same

b) It becomes zero

c) It becomes negative

d) It becomes curved


73. What is the relationship between stress energy and gravity?

a) Stress energy causes gravity

b) Gravity causes stress-energy

c) Stress energy and gravity are unrelated

d) Stress energy and gravity are equivalent


74. Which of the following is an example of stress energy?

a) The potential energy of a spring that is compressed

b) The kinetic energy of a moving object

c) The energy stored in an electric field

d) The work done by a force on an object


Further Suggested Physics Related Topics for Reading 


Laws in Physics Solved MCQs 

Kinematics (Rest & Motion) Solved MCQs 

Geometrical Optics in Physics Solved MCQs 

Sound & Sound Waves Solved MCQs 

Watt, Volt, Current, Diode, Resistor Solved MCQs

Introduction to Physics Solved MCQs 

Muslim Scientists and their Contributions 

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Location: Larkana, Sindh, Pakistan

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