20 Multiple choice questions Taken From Physics Subject 1. In which of the following types of motion does an object move along a curved path under the influence of gravity?
A) Linear motion
B) Projectile motion
C) Rotational motion
D) Uniform circular motion
2. Which of the following quantities is conserved in the absence of external torques in rotational motion?
A) Angular velocity
B) Angular momentum
C) Rotational kinetic energy
D) Torque
3. Kepler's first law states that planets move in orbits that are:
A) Circular
B) Elliptical
C) Hyperbolic
D) Parabolic
4. The force of gravity between two objects is inversely proportional to the:
A) Square of the distance between the objects
B) Cube of the distance between the objects
C) Square root of the distance between the objects
D) Fourth power of the distance between the objects
5. Which law describes the relationship between the motion of a planet and its distance from the Sun?
A) Newton's first law
B) Newton's second law
C) Newton's third law
D) Kepler's third law
6. Fluid statics deals with the study of fluids at rest and their:
A) Viscosity
B) Pressure
C) Density
D) Flow rate
7. The principle that states that the buoyant force on an object is equal to the weight of the fluid displaced by the object is known as:
A) Pascal's Principle
B) Archimedes' Principle
C) Bernoulli's Principle
D) Newton's Third Law
8. Which of the following properties of fluids is responsible for the ability of a hydraulic lift to work?
A) Viscosity
B) Density
C) Pressure
D) Surface tension
9. The study of how fluids flow and the forces involved is known as:
A) Fluid dynamics
B) Fluid mechanics
C) Fluid kinematics
D) Fluid thermodynamics
10. What is the relationship between pressure and the depth of a fluid in a container?
A) Directly proportional
B) Inversely proportional
C) No relationship
D) Exponential relationship
11. Which of the following correctly describes the relationship between current and magnetism?
A) Current can create a magnetic field
B) Magnetism can create an electric field
C) Current and magnetism are independent phenomena
D) Current is unaffected by magnetic fields
12. Faraday's law of electromagnetic induction states that the induced electromotive force (emf) is proportional to the:
A) Resistance of the circuit
B) Rate of change of magnetic field
C) Voltage of the source
D) Current in the circuit
13. Transformers work based on the principle of electromagnetic induction to:
A) Increase current
B) Increase voltage
C) Decrease current
D) Decrease voltage
14. Semiconductors are materials that have electrical conductivity:
A) Greater than metals
B) Equal to insulators
C) Between conductors and insulators
D) Dependent on temperature
15. What is the primary function of a diode in an electronic circuit?
A) To amplify signals
B) To store charge
C) To control current flow
D) To regulate voltage
16. Transistors are semiconductor devices that can amplify or switch electronic signals based on their:
A) Resistance
B) Capacitance
C) Inductance
D) Current gain
17. Integrated circuits are made up of multiple electronic components such as resistors, capacitors, and transistors, all fabricated onto a:
A) Silicon chip
B) Gold-plated board
C) Copper wire
D) Plastic casing
18. Logic gates are fundamental building blocks of digital circuits that perform logical operations based on:
A) Voltage levels
B) Current flow
C) Resistance values
D) Capacitance values
19. Which of the following is NOT an application of electronics?
A) Telecommunications
B) Computer systems
C) Agricultural practices
D) Medical devices
20. How do logic circuits process input signals to generate output signals based on predefined logical functions?
A) Through mechanical switches
B) Through software algorithms
C) Through electronic components
D) Through magnetic fields
We will post the answers later on this Channel.
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