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JEE • PHYSICS • PHYSICAL WORLD
Physical world practice · Mixed difficulty
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Practice format and chapter quiz
These sets use single-correct-answer MCQs. They do not cover every JEE Main or JEE Advanced question format and are not full-length mock papers.
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Showing 31-38 of 38 questions
31
Medium
31 of 38
Remembering
+4 | -1
Forces acting on microscopic domain are
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Correct option: D
All of these
Option D (All of these) is correct because electric, magnetic, and nuclear forces all play significant roles at the microscopic level.
32
Medium
32 of 38
Understanding
+4 | -1
When we hold a book in our hand, we are balancing the gravitational force on the book due to
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Correct option: A
normal force provided by our hand
Option A is correct because the normal force from the hand balances the gravitational force on the book.
33
Medium
33 of 38
Understanding
+4 | -1
Which of the following statement is correct?
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Correct option: A
Conservation of energy, momentum, angular momentum, charge, etc, are considered to be fundamental laws in physics.
Option A (Conservation of energy, momentum, angular momentum, charge, etc, are considered to be fundamental laws in physics) is correct as it accurately states a fundamental principle.
34
Medium
34 of 38
Understanding
+4 | -1
Electromagnetic force is
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Correct option: D
All of the above
The correct answer is D (All of the above) because electromagnetic force includes forces between charged particles, forces due to moving charges, and is significantly stronger than gravity.
35
Medium
35 of 38
Remembering
+4 | -1
Which of the following is correct for nuclear force?
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Correct option: C
It is short ranged force and is independent of charge
Option C (It is short ranged force and is independent of charge) is correct because the nuclear force operates over very short distances and is independent of the charge of the nucleons.
36
Medium
36 of 38
Understanding
+4 | -1
The unification of electromagnetism and optics leads to the
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Correct option: D
discovery of light as an electromagnetic wave
Option D is correct because Maxwell's equations unified electromagnetism and optics, leading to the understanding that light is an electromagnetic wave.
37
Medium
37 of 38
Remembering
+4 | -1
Which of the following is the correct decreasing order of the strengths of four fundamental forces of nature?
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Correct option: D
Strong nuclear force electromagnetic force weak nuclear force gravitational force
Option D (Strong nuclear force electromagnetic force weak nuclear force gravitational force) is correct because it represents the correct decreasing order of the fundamental forces.
38
Medium
38 of 38
Understanding
+4 | -1
Which of the following statement is incorrect?
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Correct option: C
A hypothesis is a supposition with assuming that it is true.
Option C (A hypothesis is a supposition with assuming that it is true) is correct because a hypothesis is a supposition *without* assuming it is true.
Revision notes and key takeaways
Review PHYSICAL WORLD in your textbook or class notes, then use this set to check your understanding.
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