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Physics Quiz Details
| Quiz Name | Physics |
| Category | GK |
| Number of Questions | 25 |
| Time | 30 Minutes |
| Exam Type | MCQ (Multiple Choice Questions) |
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1. Which of the following is an example of a vector quantity?
a) Speed
b) Distance
c) Velocity
d) Temperature
Answer: c) Velocity
Explanation: Velocity is a vector quantity because it has both magnitude and direction.
2. Which law 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) Kepler’s law
Answer: c) Newton’s third law
Explanation: Newton’s third law of motion states that for every action, there is an equal and opposite reaction.
3. Which type of force does a stretched spring exert?
a) Frictional force
b) Gravitational force
c) Tension force
d) Elastic force
Answer: d) Elastic force
Explanation: A stretched spring exerts an elastic force, which is a restoring force that tries to bring the spring back to its original position.
4. What is the SI unit of force?
a) Newton
b) Watt
c) Joule
d) Pascal
Answer: a) Newton
Explanation: The SI unit of force is the newton, which is defined as the force required to accelerate a mass of one kilogram at a rate of one meter per second squared.
5. Which law states that the rate of change of momentum of an object is directly proportional to the force applied and takes place in the direction in which the force is applied?
a) Newton’s first law
b) Newton’s second law
c) Newton’s third law
d) Kepler’s law
Answer: b) Newton’s second law
Explanation: Newton’s second law of motion states that the rate of change of momentum of an object is directly proportional to the force applied and takes place in the direction in which the force is applied.
6. What is the formula for kinetic energy?
a) 1/2mv^2
b) mgh
c) F=ma
d) P=mv
Answer: a) 1/2mv^2
Explanation: The formula for kinetic energy is 1/2mv^2, where m is the mass of the object and v is its velocity.
7. Which law states that the total energy of an isolated system remains constant?
a) Newton’s first law
b) Newton’s second law
c) Newton’s third law
d) Law of conservation of energy
Answer: d) Law of conservation of energy
Explanation: The law of conservation of energy states that the total energy of an isolated system remains constant.
8. What is the SI unit of power?
a) Newton
b) Watt
c) Joule
d) Pascal
Answer: b) Watt
Explanation: The SI unit of power is the watt, which is defined as the rate at which work is done or energy is transferred.
9. What is the formula for work done?
a) W=Fd
b) F=ma
c) P=mv
d) E=mc^2
Answer: a) W=Fd
Explanation: The formula for work done is W=Fd, where F is the force applied and d is the distance over which the force is applied.
10. Which law states that the pressure of a gas is inversely proportional to its volume at constant temperature?
a) Boyle’s law
b) Charles’s law
c) Gay-Lussac’s law
d) Avogadro’s law
Answer: a) Boyle’s law
Explanation: Boyle’s law states that the pressure of a gas is inversely proportional to its volume at constant temperature.
11. What is the formula for gravitational potential energy?
a) mgh
b) -G(m1m2)/r
c) 1/2mv^2
d) F=ma
Answer: a) mgh
Explanation: The formula for gravitational potential energy is mgh, where m is the mass of the object, g is the acceleration due to gravity, and h is the height above a reference level.
12. Which law states that the pressure of a gas is directly proportional to its absolute temperature at constant volume?
a) Boyle’s law
b) Charles’s law
c) Gay-Lussac’s law
d) Avogadro’s law
Answer: b) Charles’s law
Explanation: Charles’s law states that the pressure of a gas is directly proportional to its absolute temperature at constant volume.
13. What is the formula for electric potential energy?
a) kQ1Q2/r
b) V=IR
c) F=qE
d) P=VI
Answer: a) kQ1Q2/r
Explanation: The formula for electric potential energy is kQ1Q2/r, where k is the Coulomb constant, Q1 and Q2 are the magnitudes of the charges, and r is the distance between them.
14. Which law states that the induced electromotive force (EMF) in a circuit is proportional to the rate of change of magnetic flux through the circuit?
a) Faraday’s law
b) Ampere’s law
c) Ohm’s law
d) Kirchhoff’s law
Answer: a) Faraday’s law
Explanation: Faraday’s law of electromagnetic induction states that the induced electromotive force (EMF) in a circuit is proportional to the rate of change of magnetic flux through the circuit.
15. Which type of lens is thicker at the center than at the edges?
a) Concave lens
b) Convex lens
c) Plano-concave lens
d) Plano-convex lens
Answer: b) Convex lens
Explanation: A convex lens is thicker at the center than at the edges and is used to converge light rays.
16. What is the unit of frequency?
a) Hertz
b) Meter
c) Second
d) Pascal
Answer: a) Hertz
Explanation: The unit of frequency is hertz (Hz), which is defined as the number of cycles per second.
17. Which law states that the current flowing through a conductor is directly proportional to the voltage applied across it, provided the temperature and other physical conditions remain constant?
a) Faraday’s law
b) Ampere’s law
c) Ohm’s law
d) Kirchhoff’s law
Answer: c) Ohm’s law
Explanation: Ohm’s law states that the current flowing through a conductor is directly proportional to the voltage applied across it, provided the temperature and other physical conditions remain constant.
18. What is the SI unit of electric charge?
a) Ampere
b) Coulomb
c) Volt
d) Ohm
Answer: b) Coulomb
Explanation: The SI unit of electric charge is the coulomb (C), which is defined as the amount of charge carried by a current of one ampere in one second.
19. Which type of wave does not require a medium for its propagation?
a) Sound wave
b) Light wave
c) Water wave
d) Seismic wave
Answer: b) Light wave
Explanation: Light waves are electromagnetic waves and do not require a medium for their propagation.
20. What is the formula for the frequency of a wave?
a) v=fλ
b) E=hf
c) F=ma
d) P=VI
Answer: b) E=hf
Explanation: The formula for the frequency of a wave is f=E/h, where E is the energy of a photon and h is the Planck’s constant.
21. Which type of mirror is used in car headlights?
a) Concave mirror
b) Convex mirror
c) Plane mirror
d) Spherical mirror
Answer: b) Convex mirror
Explanation: Convex mirrors are used in car headlights because they provide a wider field of view and can help to reduce blind spots.
22. What is the SI unit of work?
a) Joule
b) Watt
c) Newton
d) Pascal
Answer: a) Joule
Explanation: The SI unit of work is the joule (J), which is defined as the amount of energy transferred when a force of one newton acts over a distance of one meter.
23. What is the formula for acceleration due to gravity?
a) F=ma
b) F=G(m1m2)/r^2
c) a=v^2/r
d) g=Gm/r^2
Answer: d) g=Gm/r^2
Explanation: The formula for acceleration due to gravity is g=Gm/r^2, where G is the universal gravitational constant, m is the mass of the object, and r is the distance from the center of the object.
24. What is the formula for the period of a pendulum?
a) T=2π√(L/g)
b) T=2π√(g/L)
c) T=2π√(Lm/g)
d) T=2π√(g/mL)
Answer: a) T=2π√(L/g)
Explanation: The formula for the period of a pendulum is T=2π√(L/g), where L is the length of the pendulum and g is the acceleration due to gravity.
25. Which law states that the total energy of a closed system remains constant over time?
a) Newton’s first law
b) Newton’s second law
c) Newton’s third law
d) The law of conservation of energy
Answer: d) The law of conservation of energy
Explanation: The law of conservation of energy states that the total energy of a closed system remains constant over time. This means that energy cannot be created or destroyed, only transferred or converted from one form to another.
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About Physics GK Questions
Physics means ‘knowledge of nature’. It is the natural science that studies matter and its motion and behavior through space and time and that studies the related entities of energy and force. And the Physics is one of the most fundamental scientific disciplines, and its main goal is to understand how the universe behaves. So, the ultimate aim of physics is to find a unified set of laws governing matter, motion, and energy at small distances, at the human scale of everyday life, and to the largest distances.
Importance of Physics
- Physics is a discipline that inspires to study Nature.
- Physics generates fundamental knowledge needed for the future technological advances in the emerging world.
- The Physics is an important element in the education of chemists, engineers and computer scientists, as well as practitioners of the other physical and biomedical sciences.
- Physics extends and enhances our understanding of other disciplines, such as the earth, agricultural, chemical, biological, and environmental sciences.
- Physics improves our quality of life.
Benefits of Practicing Physics Quiz
Well, everyone knows that by taking the Physics Quiz there will be a lot of benefits. So, check some of the advantages of this section.
- Physics Quiz consists of 25 questions which cover all aspects of learning the concept.
- Physics Online Test shows time limit so that everyone can assess oneself how much time they are spending on each question.
- This Physics GK Questions will be available on the screen. So you have to concentrate on each and every question and answer it
- It announces the result after the completion of an exam which gives marks along with grade points.
- It is an explanatory guide which gives the brief explanation about every question that is not answered by the individual.
- And it is somewhat tricky to answer and it provides best means of level of understanding, thinking of every individual.
- It is like a competitive test which enhances the skills of the individual in the respective technologies.
- Finally, it gives the accurate answer with the explanation just like a guide.
Conceptually every individual can improve their knowledge in Physics. - We can know the current affairs in the country or in the nation.
These are some of the benefits. So, checking the above list candidates can easily understand the benefits.
Physics Quiz Results
So, candidates can follow the below given procedure
- The results will be available after the submission of Physics Quiz. or else after completion of given time.
- The results will be shown like how many questions the individual has answered and how many points are allotted to every question that is answered correctly.
- It also shows the correct answer for every question that is answered wrongly by the individual along with a brief explanation so that the individual can have an idea about the question.
- The results will provide the grade points to assess individual comparatively with others.
Results of the Physics quiz helps in analyzing the individual’s place among the persons who attempt the quiz.
Finally, by practicing the Physics Quiz every individual knows the entire concepts. Moreover, this process will help you to score good marks and thereby good rank in competitive exams or other exams. Therefore, keep an eye on our website freshersnow.com.
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