Class 11 Physics MCQs Physical World for JEE/NEET

Here, you will get Class 11 Physics MCQ of Chapter 1 Physical World for cracking JEE and NEET/AIIMS. By solving these MCQs of Class 11 Physics Chapter 1 Physical World, you will get the confidence to crack JEE or NEET. Practice MCQ Questions for Class 11 Physics with Answers on a daily basis and score well in exams. 

Physical World Class 11 MCQs Questions with Answers

The word Science originates from the Latin verb Scientia meaning
(a) to know
(b) to see
(c) to experience
(d) to observe

Answer: (a) to know

How many numbers of base SI units are there?

(a) 5
(b) 10
(c) 7
(d) 9

Answer: (c) 7

The person who has been awarded the title of the Father of Physics of 20th century is
(a) Madame Curie
(b) Sir C.V. Raman
(c) Neils Bohr
(d) Albert Einstein

Answer: (d) Albert Einstein

Which of the following is a possible final step in applying the scientific method

(a) Madame Curie
(b) Sir C.V. Raman
(c) Neils Bohr
(d) Albert Einstein

Answer: (c) Analysis of test results

The branch of science that deals with nature and natural phenomena is called
(a) Sociology
(b) Biology
(c) Civics
(d) Physics

Answer: (d) Physics

The field of work of S. Chandrashekar is
(a) theory of black hole
(b) Cosmic rays
(c) theory of relativity
(d) X-rays

Answer: (a) theory of black hole

Which of the following is true regarding physical science?
(a) They deal with non-living things
(b) The study of matter is conducted at atomic or ionic levels
(c) Both (a) and (b)
(d) None of these

Answer: (c) Both (a) and (b)

Wave picture of light failed to explain.
(a) the photoelectric effect
(b) polarization of light
(c) diffraction of light
(d) interference of light

Answer: (a) the photoelectric effect

Which of the following is the weakest force?
(a) Nuclear force
(b) Gravitational force
(c) Electromagnetic force
(d) None of these

Answer: (b) Gravitational force

Newtonian mechanics could not explain
(a) fall of bodies on earth
(b) Some of the most basic features of atomic phenomena.
(c) movement of planets
(d) flight of rockets

Answer:(b) Some of the most basic features of atomic phenomena.

The following is a dimensionless quantity

  • (a) Refractive index
  • (b) Gravitational constant
  • (c) Velocity
  • (d) Planck’s constant

Answer: (a) Refractive index

Physics is a
(a) Applied Science
(b) Mathematical Science
(c) Engineering Science
(d) Natural Science

Answer: (d) Natural Science

Which of the following is a possible final step in applying the scientific method
(a) Formulating a hypothesis
(b) Building a theory
(c) Analysis of test results
(d) Formulation of a question

Answer: (c) Analysis of test results

The exchange particles for the electromagnetic force are
(a) gravitons
(b) gluons
(c) photons
(d) mesons

Answer: (c) photons

Who discovered X-rays?
(a) Chadwick
(b) Roentgen
(c) Thomson
(d) Madam Curie

Answer: (b) Roentgen

The scientific method is
(a) a prescribed method for investigating phenomena, acquiring new knowledge…
(b) A procedure for proposing a new hypothesis
(c) a body of techniques for investigating phenomena, acquiring new knowledge…
(d) A method for proposing new theories.

Answer: (c) a body of techniques for investigating phenomena, acquiring new knowledge

Heliocentric theory proposed by Nicolas Copernicus was
(a) replaced by circular orbits to fit the data better
(b) replaced by elliptical orbits to fit the data better
(c) replaced by elliptical orbits to fit the taste of new rulers of Italy
(d) replaced by parabolic orbits to fit the data better

Answer: (b) replaced by elliptical orbits to fit the data better

Which of the following is wrongly matched?
(a) Barometer-Pressure
(b) Lactometer-Milk
(c) Coulomb’s law-charges
(d) Humidity-Calorimeter

Answer: (d) Humidity-Calorimeter

Following are the readings obtained while measuring the diameter of a wire by using the screw gauge0 mm is the main scale reading 52 divisions are the circular scale reading. What is the diameter of the wire if 1 mm on the main scale is equal to the 100 divisions on the circular scale

  • (a) 0.016 cm
  • (b) 0.052 cm
  • (c) 0.15 cm
  • (d) 0.05 cm

Answer: (b) 0.052 cm

A scientific way of doing things involves
(a) identifying the problem
(b) collecting data
(c) hypothesizing a possible theory
(d) All of the above

Answer: (d) All of the above

When we hold a book in our hand, we are balancing the gravitational force on the book due to
(a) the normal force provided by our hand
(b) friction force provided by our book
(c) both (a) and (b)
(d) None of these

Answer: (a) normal force provided by our hand

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Physical-world and measurement are understanding the fundamental forces and other physical parameters. There are four fundamental forces and they are:

  • Gravitational force
  • Nuclear force
  • Weak force
  • Electromagnetic force

The physical parameters also known as physical quantities are used for expressing all the laws of Physics. These quantities are

  • Fundamental quantities
  • Derived quantities

The above-mentioned quantities are expressed using the system of units and they are:

  • MKS (metre, kilogram, second)
  • CGS (centimetre, gram, second)
  • FPS (foot, pound, second)
  • SI (International System of Units

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