Physical World and Measurement MCQ

Get ready to ace the Physics section of NEET with our comprehensive collection of Multiple Choice Questions (MCQs) focused on the Physical World. These MCQs cover key concepts and principles essential for NEET preparation, helping you strengthen your understanding and problem-solving skills in Physics. Regular practice with MCQs aids in familiarising students with the exam pattern and format, boosting their confidence and readiness for the NEET exam.

MCQ Based on Physical World and Measurement

1. Unification of weak nuclear force and electromagnetic force is given by:

1. J.C Bose

2. Lenoir

3. Abdus Salam

4. R.A Millikan

Answer: Abdus Salam

2. A refrigerator is a base on the principle of:

1. Law of thermodynamics

2. Bernoulli’s principle

3. Conversion of electrical energy into heat energy

4. Laws of motion

Answer: Law of thermodynamics

3. Which of the following is not a type of electromagnetic force:

1. Tension

2. Friction

3. Upthrust of liquid

4. The force between earth and moon

Answer: force between earth and moon

4. Which of the following is not a fundamental law of nature:

1. Conservation of mechanical energy 

2. Conservation of change

3. Conservation of linear momentum

4. Conservation of angular momentum

Answer: Conservation of mechanical energy

5. Alber Einstein was awarded the Nobel prize for:

1. Theory of relativity

2. Conservation of linear momentum 

3. Photoelectric effect

4. All

Answer: Photoelectric effect

6. The person, who was given the Nobel prize twice is:

1. Madam Curie

2. Albert Einstein

3. Max Planck

4. Newton

Answer: Madame Curie

7. Which of the following is the weakest force in nature:

1. Weak nuclear force

2. Gravitational force

3. Electromagnetic force

4. Strong nuclear force

Answer: Gravitational force

8. Mediating particle in electromagnetic force is:

1. Gluon

2. Boson

3. Gravitation

4. Photon

Answer: Photon

9. Radio and television act on the principle of:

1. Propagation of electromagnetic waves

2. Propagation of X-rays

3. Solar cell

4. Optical fiber

Answer: Propagation of electromagnetic waves

10. Which of the following system of units is not based on unit of mass, length and time alone:

1. S.I

2. MKS

3. FPS

4. CGS

Answer: S.I

11. Which of the following quantity is unitless:

1. Velocity gradient

2. Pressure gradient

3. Displacement gradient

4. Force gradient

Answer: Displacement gradient

12. Which of the following do not have dimension of force:

1. Potential energy

2. Energy gradient

3. Weight

4. Rate of change of momentum

Answer: Potential gradient

13. Which of the following is incorrect statement:

1. A dimensionally correct statement may be equal.

2. A dimensionally correct statement may be incorrect.

3. A dimensionally incorrect statement may be correct.

4. A dimensionally incorrect statement is incorrect.

Answer: A dimensionally incorrect statement may be correct.

14. A unitless quantity:

1. Does Not exists

2. Always has a non zero dimension

3. Never has a non zero dimension

4. May have a non zero dimension

Answer: Never has a non zero dimension

15. Two quantities are given in which one of which is a vector and another one is a scalar having the same dimensional formula are:

1. Work and energy

2. Torque and work

3. Impulse and momentum

4. Power and pressure

Answer: Torque and work

16. Which fundamental unit has same power in the dimensional formula of surface tension and viscosity is:

1. Mass

2. Length

3. Time

4. None

Answer: Mass

17. Temperature can be expressed as a derived quantity in terms of which of the following:

1. Length and mass

2. Mass and time

3. Length, time and mass

4. In terms of none of these

Answer: In terms of none of these

18. Density of wood is 0.5 g/ cc in the CGS system of units. The corresponding value in MKS unit is:

1. 500

2. 5

3. 0.5

4. 5000

Answer: 500

19. Which of the following is not the unit of time: 

1. Microsecond

2. Leap year

3. Lunar months

4. Parallactic second

Answer: Parallactic second

20. Which of the following the smallest unit:

1. Millimeter

2. Angstrom

3. Fermi

4. Metre

Answer: Fermi

21. Zero error of an instrument introduces:

1. Systematic error

2. Random errors

3. Both

4. None

Answer: Systematic error

22. Which of the following does not have the same unit as others:

1. Watt-second

2. Kilowatt-hour

3. eV

4. J-second

Answer: Watt-second

23. ‘Parsec’ is the unit of:

1. Time

2. Distance

3. Frequency

4. Angular acceleration

Answer: Time

24. The ration of the dimension Planck’s constant and that of the moment of inertia is the dimension of:

1. Velocity

2. Angular momentum

3. Time

4. Frequency

Answer: Time

25. Which of the following five Physical parameters have the same dimension:

1. Energy density

2. Refractive index

3. Dielectric constant

4. Young’s modulus

5. Magnetic field

Answer: A and D

How To Answer Physical World and Measurement MCQ?

Answering Multiple Choice Questions (MCQs) for the Physical World and Measurement section in NEET requires a strategic approach to maximize your score. Here are some tips to help you tackle these questions effectively.

Tips for Answering Physical World and Measurement MCQs:

• Understand the Concept: Ensure a clear understanding of fundamental concepts related to physical quantities, units, measurements, and dimensional analysis.

• Practice Regularly: Regular practice with MCQs helps familiarize you with the question patterns and improves your speed and accuracy in solving problems.

• Read Carefully: Pay close attention to the wording of each question and all the options provided. Sometimes, the correct answer may be subtly hidden among the choices.

• Eliminate Wrong Options: If you're unsure about the correct answer, try eliminating obviously incorrect options first. This increases your chances of selecting the correct answer even if you're uncertain.

• Use Logic and Reasoning: Apply logical reasoning and problem-solving skills to deduce the correct answer, especially in numerical problems.

• Manage Time Effectively: Allocate time wisely for each question and section during practice sessions and the actual exam to ensure you complete all questions within the allotted time.

Important Topics To Cover In Physical World MCQ for NEET

To excel in the Physical World MCQ section of the NEET exam, it's essential to cover key topics thoroughly. By focusing on these important topics and practicing related MCQs, you can enhance your preparation and boost your confidence for the Physical World section of the NEET exam.

Here are some important topics you should focus on while preparing with Physical World and Measurement MCQ:

• Units and Measurements: Understand the SI units, dimensional analysis, and various measurement techniques.

• Scalars and Vectors: Differentiate between scalar and vector quantities, and grasp concepts like vector addition, subtraction, and resolution.

• Motion in One Dimension: Study concepts related to uniform and non-uniform motion, acceleration, velocity-time graphs, and equations of motion.

• Motion in Two and Three Dimensions: Learn about projectile motion, circular motion, and relative motion.

• Laws of Motion: Understand Newton's laws of motion and their applications in solving problems.

• Work, Energy, and Power: Grasp the definitions of work, energy, and power, and their interrelations.

• System of Particles and Rotational Motion: Cover topics like center of mass, rotational motion, moment of inertia, and torque.

• Gravitation: Learn about the universal law of gravitation, gravitational potential energy, and Kepler's laws of planetary motion.

• Properties of Matter: Study concepts like elasticity, stress, strain, surface tension, and viscosity.

• Thermodynamics: Understand the laws of thermodynamics, heat transfer mechanisms, and thermodynamic processes.

Physical World and Measurement-Related Important Study Materials

Explore essential study materials related to the Physical World and Measurement for NEET preparation in this comprehensive table. From revision notes to important questions, these resources are designed to aid students in mastering key concepts and scoring well in the NEET Physics section. Check the table below for the links of Important Study Materials other than Physical World and Measurement MCQ. 

Conclusion

Mastering the Physical World and Measurement MCQs is crucial for success in the NEET Physics exam. By thoroughly understanding the fundamental concepts, practicing a wide range of questions, and utilizing effective study materials, candidates can improve their problem-solving skills and achieve their desired scores. With dedication and consistent practice, students can confidently tackle the Physical World and Measurement MCQ in this section and pave the way for successful performance in the NEET exam.