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NEET • PHYSICS • PHYSICAL WORLD
Physical world practice · Medium
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Practice format and chapter quiz
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1
Medium
1 of 12
Remembering
+4 | -1
Macroscopic domain includes
View answer and explanation
Correct option: D
All of the above
The correct answer is D (All of the above) because the macroscopic domain includes phenomena at laboratory, terrestrial, and astronomical scales.
2
Medium
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Understanding
+4 | -1
Consider the following statements and select the correct statement(s).
I. Optics deal with the phenomena involving light.
II. Unification means physical phenomena in terms of few concepts and laws.
III. Macroscopic domain of Physics deals with the constitution and structure of matter at the minute scales of atoms and nuclei.
IV. Mechanics deals with motion of rigid bodies.
I. Optics deal with the phenomena involving light.
II. Unification means physical phenomena in terms of few concepts and laws.
III. Macroscopic domain of Physics deals with the constitution and structure of matter at the minute scales of atoms and nuclei.
IV. Mechanics deals with motion of rigid bodies.
View answer and explanation
Correct option: A
I and IV
Option A (I and IV) is correct because Optics deals with light and Mechanics deals with rigid body motion.
3
Medium
3 of 12
Understanding
+4 | -1
In Physics, quantitative measurement is central to the growth of science because
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Correct option: D
All of the above
Option D (All of the above) is correct because quantitative measurement is crucial for expressing laws mathematically, applying them universally, and using approximations.
4
Medium
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Understanding
+4 | -1
Which of the following statements is/are correct?
I. Strong nuclear force binds protons and neutrons in a nucleus.
II. In twentieth century, silicon chip triggered a revolutionary changes in technology of computer system.
III. Gravitational force is the force of mutual attraction between any two objects by virtue of their masses.
IV. Electromagnetic force is the strongest force in nature.
I. Strong nuclear force binds protons and neutrons in a nucleus.
II. In twentieth century, silicon chip triggered a revolutionary changes in technology of computer system.
III. Gravitational force is the force of mutual attraction between any two objects by virtue of their masses.
IV. Electromagnetic force is the strongest force in nature.
View answer and explanation
Correct option: D
I, II and III
Option D (I, II and III) is correct because strong nuclear force binds the nucleus, silicon chips revolutionized computers, and gravity is mutual attraction.
5
Medium
5 of 12
Remembering
+4 | -1
In 1913, Niels Bohr gave a theory on the basis of
View answer and explanation
Correct option: B
nuclear model of atom
The correct answer is B (nuclear model of atom) because Niels Bohr's theory was based on Rutherford's nuclear model of the atom.
6
Medium
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Remembering
+4 | -1
What is full form of GMRT?
View answer and explanation
Correct option: C
Giant Metrewave Radio Telescope
The correct answer is C (Giant Metrewave Radio Telescope) because that is the full form of GMRT.
7
Medium
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Understanding
+4 | -1
Macroscopic forces are
View answer and explanation
Correct option: D
All of the above
Option D (All of the above) is correct because contact forces, viscous force, and surface tension are all macroscopic forces.
8
Medium
8 of 12
Analyzing
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Assertion: In universe, gravitational force dominates in long distance and electric force dominates in short distance.
Reason: For gravitational force and electric force
Reason: For gravitational force and electric force
View answer and explanation
Correct option: A
Both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
Option A (Both Assertion and Reason are correct and Reason is the correct explanation of Assertion) is correct because of the dependence on distance.
9
Medium
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Understanding
+4 | -1
Which of the following is wrongly matched?
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Correct option: D
Computers-Superconductivity
Option D (Computers-Superconductivity) is wrongly matched because computers primarily rely on semiconductors, not superconductors.
10
Medium
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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
The correct answer is D (Strong nuclear force electromagnetic force weak nuclear force gravitational force) because it represents the correct order of decreasing strength of the fundamental forces.
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Medium
11 of 12
Remembering
+4 | -1
Forces acting on microscopic domain are
View answer and explanation
Correct option: D
All of these
Option D (All of these) is correct because electric, magnetic, and nuclear forces all act on the microscopic domain.
12
Medium
12 of 12
Remembering
+4 | -1
According to Einstein's theory, mass is equivalent to energy given by
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Correct option: D
The correct answer is D () because this is Einstein's famous mass-energy equivalence equation.
Revision notes and key takeaways
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Key Takeaways
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