Test: Fundamental Forces In Nature

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Test: Fundamental Forces In Nature - Question 1

Earth pulls every object towards it with a force called:

A.
Friction
B.
Gravity
C.
Tension
D.
Collision

Detailed Solution for Test: Fundamental Forces In Nature - Question 1

Gravitational force of the earth acts from the centre of the earth and pulls every substance towards itself.

Test: Fundamental Forces In Nature - Question 2

What is the study of the modern theory of the strong forces between quarks?

A.
Quantum chromodynamics
B.
Quantum electromagnetism
C.
Quantum electrodynamics
D.
Quantum astronomy

Detailed Solution for Test: Fundamental Forces In Nature - Question 2

Quantum chromodynamics is as quantum field theory in which strong interaction is described in terms of an interaction between quarks.

Test: Fundamental Forces In Nature - Question 3

Gravity is:

A.
Down wardly directed force
B.
Upwardly directed force
C.
Leftward directed force
D.
Rightward directed force

Detailed Solution for Test: Fundamental Forces In Nature - Question 3

Gravity acts from the centre of the earth, therefore it is a down ward acting force.

Test: Fundamental Forces In Nature - Question 4

The strongest fundamental force in nature is

A.
Electromagnetic force
B.
Strong nuclear force
C.
Weak nuclear force
D.
gravitational force

Detailed Solution for Test: Fundamental Forces In Nature - Question 4

Test: Fundamental Forces In Nature - Question 5

Gravity is defined as:

A.
The push of the earth
B.
The force of the earth
C.
The capacity of the earth
D.
The pull of the earth

Detailed Solution for Test: Fundamental Forces In Nature - Question 5

Gravitational force of the earth acts from the centre of the earth and pulls every substance towards itself.

Test: Fundamental Forces In Nature - Question 6

Which force is weakest of all fundamental forces?

A.
Gravitational force
B.
Electromagnetic force
C.
Weak nuclear force
D.
Strong nuclear force

Detailed Solution for Test: Fundamental Forces In Nature - Question 6

Gravitational force is the attraction between two masses.

Electromagnetic force is the force between two charged particles or two poles of a magnet. It is stronger than Gravitational.

Weak nuclear force is the weak force of attraction between the subatomic particles of the nucleus of an atom. Though the name suggests that it is weak, it is stronger than electromagnetic.

Strong nuclear force is the stronger version of nuclear force.It is the strongest force in nature.

Test: Fundamental Forces In Nature - Question 7

Earth has no gravitational force:

A.
True
B.
False
C.
The statement is partially correct
D.
None

Detailed Solution for Test: Fundamental Forces In Nature - Question 7

Gravitational force of the earth acts from the centre of the earth and pulls every substance towards itself.

Test: Fundamental Forces In Nature - Question 8

Wheel-and-axle and rope move in:

A.
same direction
B.
opposite direction
C.
perpendicular direction
D.
there is no relation between the two

Detailed Solution for Test: Fundamental Forces In Nature - Question 8

Wheel-arid-axle and rope move in same direction.

Test: Fundamental Forces In Nature - Question 9

Which of these is incorrect about nuclear forces?

A.
They are independent of charge
B.
Nuclear forces are derived from quark-quark interaction
C.
Hadrons do not experience strong nuclear force
D.
Nuclear force is not central force

Detailed Solution for Test: Fundamental Forces In Nature - Question 9

Hadrons are subatomic composite porticle made of two(or) more quarks. They experience strong nuclear force.

Test: Fundamental Forces In Nature - Question 10

Which of the following class of forces is different from others?

A.
Magnetic force
B.
Electrical force
C.
Gravitational force
D.
Stretching of a spring

Detailed Solution for Test: Fundamental Forces In Nature - Question 10

Spring force is different from magnetic ,electrical and gravitational force as it varies linearly.

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10 Questions MCQ Test Physics Class 11 | Test: Fundamental Forces In Nature

Earth pulls every object towards it with a force called:

What is the study of the modern theory of the strong forces between quarks?

Gravity is:

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