Physics Questions Practice Question and Answer
8 Q: Archimedes' law is related to which of the following?
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6137378d2421ea1e0c7db283- 1Law of Gravityfalse
- 2Law of right angled trianglefalse
- 3Law of Flotationtrue
- 4none of thesefalse
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Answer : 3. "Law of Flotation"
Q: Parsec is a unit?
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60b4b8b37cb636175d3d11e2- 1massfalse
- 2magnetic forcefalse
- 3Timefalse
- 4Distancetrue
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Answer : 4. "Distance"
Q: Which point in the human eye is not very sensitive to light, is it called?
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5fe42412eee69a704db5d664- 1Yellow Pointfalse
- 2blind pointtrue
- 3near pointfalse
- 4focal pointfalse
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Answer : 2. "blind point"
Q: A 1 kg object is dropped from a height of 30 meters to the ground. The work done by the force of gravity will be
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5f86a39bb7ad805e26c16cb0- 130 Jfalse
- 210 Jfalse
- 30.33 Jfalse
- 4300 Jtrue
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Answer : 4. "300 J"
Q: Which of the following quantities is not a vector?
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613740ba3ee2bf25f512fd0b- 1Velocityfalse
- 2Volumetrue
- 3Displacementfalse
- 4forcefalse
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Answer : 2. "Volume"
Q: The unit of which physical quantity is not pascal?
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605c55f33af5ff63fd6b4361- 1Moment of inertiatrue
- 2Pressurefalse
- 3Stressfalse
- 4Young’s modulusfalse
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Answer : 1. "Moment of inertia"
Q: A potentiometer is considered a versatile and accurate device to make an electrical measurement of EMF. Why?
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63c8d7f2bdbddb32fda0219d- 1Because the method involves a combinationfalse
- 2There are cells involvedfalse
- 3Because of potential gradientsfalse
- 4As there is no flow of current through the galvanometertrue
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Answer : 4. "As there is no flow of current through the galvanometer"
Explanation :
A potentiometer is an accurate and versatile device to make electrical measurements of emf because the method involves a condition of no current flow through the galvanometer, the device can be used to measure potential difference, internal resistance of a cell and compare emf's of two sources. Q.
Q: Which of the people with myopia has glasses?
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5fe41ccd438750744e3258ef- 1convex lensfalse
- 2concave lenstrue
- 3Bifocal lensfalse
- 4cylindrical lensfalse
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