Physical World Test 2

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Question 1
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Physics is a

A
Engineering Science

B
Mathematical Science

C
Applied Science

D
Natural Science

Question 2
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The microscopic domain of physics deals with

A
The constitution and structure of matter at the scales of atoms and nuclei and their interaction with different elementary particles

B
The constitution and structure of matter at the scales of atoms and nuclei and their interaction with different bodies on the earth

C
The constitution and structure of matter at the scales of stars and planets and their interaction with different elementary particles

D
None of these

Question 3
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Technology started with

A
Invention of printing press

B
Invention of power loom

C
The conversion of natural resources into simple tools

D
Iinvention of steam engine

Question 4
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The sun releases energy coming from

A
Weak electrical forces

B
Gravitational forces

C
Electromagnetic waves

D
Strong nuclear forces

Question 5
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“Politics is the art of the possible. Similarly, Science is the art of the soluble”. Which of the following statements is a case of this aphorism?

A
A scientist looks for solutions that can be readily tested, implemented and are practical

B
A scientist looks for solutions that can are impossible to verify

C
A scientist looks for solutions that derive from other unproven hypothesis

D
A scientist looks for solutions that are abstract and unintelligible but elegant

Question 6
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The word Science originates from the Latin verb Scientia meaning

A
To observe

B
To know

C
To experience

D
To see

Question 7
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Proper framework for explaining microscopic phenomena is

A
Quantum Theory

B
Theory of relativity

C
Maxwell’s theory

D
Classical physics

Question 8
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What is the correct sequence of events technology gives rise to new science or new science gives rise to technology?

A
Science can give rise to technology only

B
Technology and science are independent

C
Both can happen. Science can give rise to technology and technology can give rise to new science

D
Technology can give rise to new science only

Question 9
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Weak Nuclear Force

A
Is responsible for holding the constituents of the nucleus together

B
Is responsible for holding the electrons of the nucleus together

C
Is responsible for holding the electrons and the nucleus together

D
Is responsible for a common form of radioactivity called beta decay

Question 10
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No physicist has ever “seen” an electron. Yet, all physicists believe in the existence of electrons. An intelligent but superstitious man advances this analogy to argue that ‘ghosts’ exist even though no one has seen one. How will you refute his argument ?

A
Science does not deal with ghosts because they don’t exist

B
Electrons have been discovered by great scientists but no great scientist claimed to find ghosts

C
There is no scientific study of ghosts so they cannot exist

D
Existence of electrons can be demonstrated by experiments but existence of ghosts cannot be

Question 11
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The scientific method is

A
A prescribed method for investigating phenomena, acquiring new knowledge...

B
A body of techniques for investigating phenomena, acquiring new knowledge...

C
A procedure for proposing new hypothesis

D
A method for proposing new theories.

Question 12
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What is central to the growth of physics?

A
Qualitative descriptions

B
Conjectural descriptions

C
Speculative descriptions

D
Quantitative measurement

Question 13
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Technology strives

A
To use science for application

B
To fulfill a human need such as faster cooking or sewing etc

C
To perfect science

D
To invent better rat traps

Question 14
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The difference between nuclear forces and electromagnetic forces is that

A
Nuclear forces have longer range compared to electromagnetic forces

B
Nuclear forces are mediated by photons compared to gluons for electromagnetic forces

C
Nuclear forces do not depend on charge

D
Nuclear forces are weaker compared to electromagnetic forces

Question 15
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Which of these were not major technological advances during industrial revolution in England and Europe?

A
Power loom

B
The cotton gin

C
Satellite communication

D
Steam engine

Question 16
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Which of the following is a possible first step in applying the scientific method

A
Formulating a hypothesis

B
Conducting tests

C
Building a theory

D
Formulation of a question

Question 17
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The basic laws of physics are universal means

A
The same laws apply in widely different contexts

B
The same laws do not apply on mars and stars

C
The same laws apply in similar contexts

D
The same laws apply in different continents

Question 18
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One example where technology predates science is

A
TV

B
Steam engine

C
Radio

D
Laser surgery

Question 19
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The fundamental force with the shortest range is

A
Gravitational Force

B
Weak Nuclear Force

C
Strong Nuclear Force

D
Electromagnetic Force

Question 20
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Which of these was a major scientific major advance during industrial revolution in England and Europe?

A
Newcomen steam engine

B
Mechanized cotton spinning powered by steam

C
Development of several machine tools for cutting metal parts.

D
Louie Pasteur's discovery of the link between microbes and illness

Question 21
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A scientific theory is accepted if

A
The theory is approved by a panel of people after studying the theory only

B
The theory is derivable from other theories logically.

C
The theory is very simple elegant or very complicated

D
Predictions of the theory are confirmed by experiments

Question 22
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Scientists strategy in general is to

A
Focus first on the essential features of a phenomenon and remove its less significant aspects.

B
Keep building complicated theories

C
Focus first on the complex features of a phenomenon and add its less significant aspects from the start

D
Focus first on the complex features of a phenomenon and remove its less significant aspects

Question 23
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Macroscopic domain includes

A
phenomena at the laboratory

B
terrestrial scales

C
astronomical scales

D
All of the above

Question 24
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In every conservation principle

A
A physical quantity like mass is converted into energy

B
A physical quantity changes to a form of energy

C
A physical quantity for example total momentum does not change in a phenomenon. The quantity has the same value before and after the phenomenon.

D
A physical quantity like energy is converted into mass

Question 25
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Which of these was a major technological achievement in ancient India?

A
Paṇini's morphological analysis

B
Cataract surgery of physician Sushruta

C
Vedanga Jyotiṣa containing details of astronomical calculations, calendrical studies, and established rules for empirical observation

D
Baudhayana Sulba Sutra, which contains examples of simple Pythagorean triples, as well as a statement of the Pythagorean Theorem for the sides of a square

Question 26
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A scientific theory

A
Is changed to suit new fashion among scientists

B
Cannot be changed but can be reformulated

C
Is fixed once and for all because it is logical

D
Can be revised if required to fit new phenomenon or data

Question 27
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To get the law of free fall under gravity, it is better

A
To create a real world experiment of feather and stone

B
To create a situation where in the air resistance is not negligible

C
To create a situation where in the air resistance is negligible

D
None of these

Question 28
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The major contribution of C.V. Raman was

A
Measurement of electronic charge

B
Inelastic scattering of light by molecules

C
Nuclear model of atom

D
Model of hydrogen atom

Question 29
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For motion under an external conservative force

A
The mechanical energy i.e. the potential energy of a body is a constant

B
The total mechanical energy i.e. the sum of kinetic and potential energy of a body is a constant only if there is no motion

C
The total mechanical energy i.e. the sum of kinetic and potential energy of a body is a constant

D
The mechanical energy i.e. the kinetic energy of a body is a constant

Question 30
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What is the relation between morality and science?

A
Morality can be derived from scientific principles

B
Morality is not the subject matter of science

C
Science has proved that morality is impractical

D
Science is immoral

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Question Analysis

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Physical World ...

Question 1

Engineering Science

Mathematical Science

Applied Science

Natural Science

Question 2

The constitution and structure of matter at the scales of atoms and nuclei and their interaction with different elementary particles

The constitution and structure of matter at the scales of atoms and nuclei and their interaction with different bodies on the earth

The constitution and structure of matter at the scales of stars and planets and their interaction with different elementary particles

None of these

Question 3

Invention of printing press

Invention of power loom

The conversion of natural resources into simple tools

Iinvention of steam engine

Question 4

Weak electrical forces

Gravitational forces

Electromagnetic waves

Strong nuclear forces

Question 5

A scientist looks for solutions that can be readily tested, implemented and are practical

A scientist looks for solutions that can are impossible to verify

A scientist looks for solutions that derive from other unproven hypothesis

A scientist looks for solutions that are abstract and unintelligible but elegant

Question 6

To observe

To know

To experience

To see

Question 7

Quantum Theory

Theory of relativity

Maxwell’s theory

Classical physics

Question 8

Science can give rise to technology only

Technology and science are independent

Both can happen. Science can give rise to technology and technology can give rise to new science

Technology can give rise to new science only

Question 9

Is responsible for holding the constituents of the nucleus together

Is responsible for holding the electrons of the nucleus together

Is responsible for holding the electrons and the nucleus together

Is responsible for a common form of radioactivity called beta decay

Question 10

Science does not deal with ghosts because they don’t exist

Electrons have been discovered by great scientists but no great scientist claimed to find ghosts

There is no scientific study of ghosts so they cannot exist

Existence of electrons can be demonstrated by experiments but existence of ghosts cannot be

Question 11

A prescribed method for investigating phenomena, acquiring new knowledge...

A body of techniques for investigating phenomena, acquiring new knowledge...

A procedure for proposing new hypothesis

A method for proposing new theories.

Question 12

Qualitative descriptions

Conjectural descriptions

Speculative descriptions

Quantitative measurement

Question 13

To use science for application

To fulfill a human need such as faster cooking or sewing etc

To perfect science

To invent better rat traps

Question 14

Nuclear forces have longer range compared to electromagnetic forces

Nuclear forces are mediated by photons compared to gluons for electromagnetic forces

Nuclear forces do not depend on charge

Nuclear forces are weaker compared to electromagnetic forces

Question 15

Power loom

The cotton gin

Satellite communication

Steam engine

Question 16

Formulating a hypothesis

Conducting tests

Building a theory