Physics Practice Question and Answer
8 Q: The air bubble in the water, which will behave like it is
945 05f72e7d12d9d25248e04a0c2
5f72e7d12d9d25248e04a0c2- 1Convex mirrorfalse
- 2Convex lensfalse
- 3Concave mirrorfalse
- 4Concave lenstrue
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Answer : 4. "Concave lens"
Q: Controls the amount of light entering the eye?
941 05f6da4b2ff25c92a085bb8f2
5f6da4b2ff25c92a085bb8f2- 1Iristrue
- 2pupilfalse
- 3lensfalse
- 4side musclesfalse
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Answer : 1. "Iris"
Q: Which of the following is not a unit of heat?
938 063a2c8e521b1fe5f1a352faa
63a2c8e521b1fe5f1a352faa- 1Caloriefalse
- 2Phontrue
- 3Joulefalse
- 4Kcalfalse
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Answer : 2. "Phon"
Explanation :
The correct answer is Phon. Phon is not a unit of Heat.
Q: In which year did Albert Einstein predict a new state of matter, the Bose-Einstein condensate (BEC), based on a quantum formulation by the Indian physicist Satyendra Nath Bose?
937 064c38ae6bd3d254806859ebd
64c38ae6bd3d254806859ebd- 11935false
- 21924true
- 31930false
- 41919false
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Answer : 2. "1924"
Explanation :
1. In which year did Albert Einstein predict a new state of matter, Bose-Einstein condensate (BEC) in 1924, based on the quantum formulation given by Indian physicist Satyendra Nath Bose?
2. Bose–Einstein condensate (BEC) is a state of matter in which a group of boson particles are in the same quantum state.
Q: The principle on which optical fiber works is
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5f746ec3a921aa16e68c3704- 1Full internal reflectiontrue
- 2Refractionfalse
- 3Scatteringfalse
- 4Deviationfalse
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Answer : 1. "Full internal reflection"
Q: Is the image formed by a plane mirror always?
934 05f6da46aec13dd748004ce67
5f6da46aec13dd748004ce67- 1virtual and vice versafalse
- 2Real and directfalse
- 3direct and virtualtrue
- 4Actualfalse
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Answer : 3. "direct and virtual"
Q: Match the columns.
Column - A Column-B
I. Electric current a. Henry
II. Potential difference b. Farad
III. Gapacitance c. Volt
IV. inductance d. Ampere
930 0649a9c63dad6f2e01f6df4c3
649a9c63dad6f2e01f6df4c3- 1i-a, ii-b, iii-c, iv-dfalse
- 2i-b, ii-a, iii-c, iv-dfalse
- 3i-d, ii-c, iii-b, iv-atrue
- 4i-a, ii-c, iii-b, iv-dfalse
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Answer : 3. "i-d, ii-c, iii-b, iv-a"
Explanation :
The columns are a correct match.
I. Electric current - Ampere
II. Potential difference - c. Volt
III. Gapacitance - b. Farad
IV. inductance - a. Henryd.
Q: Which is the force due to which the body is pulled towards the center of the earth?
930 05f8fcee93ca2d767b181e989
5f8fcee93ca2d767b181e989- 1Gravitational forcetrue
- 2Massfalse
- 3Momentumfalse
- 4impulsive forcefalse
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