CBSE MCQ Questions for Class 11 Physics Chapter 1 Physical World with Answers Pdf free download. MCQ Questions for Class 11 Physics with Answers were prepared based on the latest exam pattern. This MCQ will help you score good marks in the final exam. Physical World Class 11 Physics MCQs are prepared for a better understanding of the concept. Physical World Class 11 Physics MCQ is prepared by Experts of CBSE.
Class 11 Physics Chapter 1 Physical World MCQs
Check the multiple-choice questions for the 11th Class Physics Physical World chapter 1. Select one answer out of 4 options.
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
Hope these MCQs help you in your preparation for your final exams. Leave your comment below, if you have any questions regarding Class 11 Physics Chapter 1 Physical World MCQ with Answers.