Physics Part 2 Online Quiz
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Following quiz provides Multiple Choice Questions (MCQs) related to Physics . You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.
Answer : B
Explanation
N/A
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Answer : A
Explanation
N/A
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Answer : B
Explanation
Radar is used to detect aircraft, spacecraft, guided missiles, ships, motor vehicles, weather formations, submarines, and terrain.
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Answer : A
Explanation
N/A
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Answer : B
Explanation
Because of low atmospheric pressure, the boiling point decreases.
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Answer : C
Explanation
N/A
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Answer : D
Explanation
Beaufort scale is an instrument used in measuring the wind force.
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Answer : C
Explanation
N/A
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Answer : A
Explanation
Planck explained the spectrum of blackbody radiation, which depends only on the respective object's temperature.
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Answer : B
Explanation
Atomic watches give the most accurate time.
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Answer : A
Explanation
It was the Archimedes who first observed and given the principle of buoyancy; also known as Archimedes’ Principle.
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Answer : A
Explanation
Willis Carrier had first invented the air conditioning system.
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Answer : B
Explanation
The dynamic theory of gases was first stated by Maxwell.
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Answer : A
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Answer : B
Explanation
It was William Gilbert who had given the principle of earth’s magnetic field.
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Q 16 - Consider the following statements:
1. The concave mirror is used in opthalmoscope to examine eye, ear, and nose.
2. In solar cookers, convex mirror is used.
Choose the correct answer from the codes given below:
A - Only 1
B - Only 2
C - Both
D - Neither 1 nor 2
Answer : A
Explanation
In a solar cooker, concave mirror is used.
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Q 17 - Consider the following statements:
1. With the emission of Alfa particle, mass number is decreased by 4 and atomic number is decreased by 2.
2. With the emission of Beta particle, mass number does not change, but atomic number is increased by 1.
Choose the correct answer from the codes given below:
A - Only 1
B - Only 2
C - Both
D - Neither 1 nor 2
Answer : C
Explanation
The change in atomic number and mass number in the radioactivity is explained by Group-displacement law or Soddy-Fajan law.
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Q 18 - Consider the following statements:
1. The force of attraction between the molecules of same substance is called as cohesive force.
2. Cohesive force is maximum in liquid.
Choose the correct answer from the codes given below:
A - Only 1
B - Only 2
C - Both
D - Neither 1 nor 2
Answer : A
Explanation
The cohesive force is maximum in solid and minimum (or negligible) in gas.
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Q 19 - Consider the following statements:
1. The amount of heat required to raise the temperature of unit mass of substance through 10 , is known as specific heat capacity.
2. The SI unit of specific heat capacity is Joul/kilogram Kelvin (J/kg.k).
Choose the correct answer from the codes given below:
A - Only 1
B - Only 2
C - Both
D - Neither 1 nor 2
Answer : C
Explanation
N/A
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Answer : C
Explanation
N/A
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