MCQ Question for class 11 Physics Ch 1 Physical World 2021-22 With Answers

Mohd Dayan December 14, 2021 0

Welcome student, today we presented the MCQ Question for class 11 Physics Ch 1 Physical World 2021-22 With Answers, it's belongs to the latest cbse pattern and provided by the master of its field, and it cover the whole NCERT, and its best to prepare for Class 11 Term 1 exams.

Question 1.
Physics is the branch of science which
deals with the study of
(a) practical purposes
(b) living things
(c) technologies
(d) nature and natural phenomena

Answer

(d) nature and natural phenomena

Question 2.

In Physics, quantitative measurement is

central to the growth of science because

(a) laws of nature are expressible in precise

mathematical equations

(b) basic laws universally apply in different

contexts

(c) strategy of approximation turned out to be

very successful

(d) All of the above

Answer

(d) all of the above

Question 3.

With which phenomena, classical

Physics deals mainly?

(a) Macroscopic

(b) Microscopic

(c) Natural

(d) None of these

Answer

(a) Macroscopic

Question 4.

Microscopic domain includes

(a) quantum theory

(b) mechanics

(c) thermodynamics

(d) sound

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Answer

(a) quantum theory

Question 5.

Observable universe has range of mass

of

(a) 10²⁰ kg

(b) 10³⁰ kg

(c) 10⁴⁰ kg

(d) 10⁵⁵ kg

Answer

(d) 10⁵⁵ kg

Question 6.

Maxwell’s set of equation encapsulated

basic laws such as

(a) Coulomb and Oersted’s laws

(b) Ampere and Faraday’s laws

(c) Faraday’s and Optic laws

(d) Both (a) and (b)

Answer

(d) Both (a) and (b)

Question 7.

The phenomena that optics deals with are

(a) light

(b) working of telescopes and microscopes

(c) colours exhibited by thin films

(d) All of the above

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Answer

(d) all of the abovs

Question 8.

Conservation laws are such that

(a) it cannot be proved but can be verified

(b) it can neither be proved nor can be verified

(c) it can be proved and verified

(d) it can be proved but not verified

Answer

(a) it can't be proved but can be verified

Question 9.

Radio and television are based on

(a) inverse square law of charges

(b) production, propagation and reception of

electromagnetic waves

(c) digital logic

(d) mechanics

Answer

(b) production, propagation and reception of electromagnetic waves

Question 10.

The person who had been awarded the

title of the Father of Physics of 20th

century is

(a) Madam Curie

(b) Sir C.V. Raman

(c) Neils Bohr

(d) Albert Einstein

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Answer

(d) Albert Einstein

Question 11.

In Physics, the range of time scales used

is ……… .

(a) 10¹⁵ s to 1 ÷ 10¹⁵ s

(b) 1 ÷ 10²² s to 10¹⁸ s

(c) 1 ÷ 10²⁰ s to 10⁹ s

(d) 1 ÷ 10¹⁷ s to 10²⁰ s

Answer

(b) 1 ÷ 10²² s to 10¹⁸ s

Question 12.

According to Einstein’s theory of

relativity, energy-mass relation is

……… .

(a) E = mc

(b) E = m²c

(c) E = mc²

(d) E² = mc

Answer

(c) E = mc²

Question 13.

……… was discovered by Huygens’.

(a) Wave theory of light

(b) Quanta of light

(c) Particle nature of light

(d) None of the above

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Answer

(a) wave theory of light

Question 14.

Which of the following statement is not

correct?

(a) Physics is the study of nature and natural

phenomena.

(b) Physics and technology are not related to

each other.

(c) Electrodynamics deals with electric and

magnetic phenomena associated with

charged and magnetic bodies.

(d) The physical quantities that remain

unchanged in a process are called

conserved quantities.

Answer

(b) physics and technology are not related to each other

Question 15.

Study the following statements

regarding conservation law and choose

the incorrect option.

(a) Conservation law is a hypothesis based on

observations and experiments.

(b) Conservations laws do not have a deep

connection with symmetries of nature.

(c) A conservation law cannot be proved.

(d) Conservation of energy, linear momentum

and angular momentum are considered to

be fundamental laws of physics.

Answer

(b) Conservations laws do not have a deep connection with symmetries of nature

Question 16.

Choose the correct statement from the

following options.

(a) An axiom is self-evident truth while a model is a theory proposed to explain observed

phenomena.

(b) Wireless communication followed the

discovery of basic laws of electricity and

magnetism.

(c) Bohr had dismissed the possibility of

tapping energy from atoms.

(d) Both (a) and (b)

Answer

(d) both a and b

Question 17.

Assertion The concept of energy is

central to Physics and its expression can

be written for every physical system.

Reason Law of conservation of energy

is not valid for all forces and for any

kind of transformation between

different forms of energy.

(a) Both A and R are true and R is the

correct explanation of A.

(b) Both A and R are true but R is not the

correct explanation of A.

(c) A is true but R is false.

(d) A is false and R is also false.

Answer

(c) A is True but R is false

Question 18.

The word Science originates from the Latin verb Scientia meaning

(a) to know

(b) to see

(c) to experience

(d) to observe

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Answer

(a) to know

Question 19.

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

Question 20.

Physics is a

(a) Applied Science

(b) Mathematical Science

(c) Engineering Science

(d) Natural Science

Answer

(d) Natural Science

Hope You attempt all the Questions and enjoyed it, and successful to give correct answers of each one. This Question prepared you to beat the exam sheet. Thankyou for being here. Jazakallah khair ❤️

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