Physics Practice Question and Answer
8 4 Q:
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5f17e1a49679b57327a85953 4 Q:
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64c3967e29beb3482a3bcc75 Answer : 1. "6 Ω"
4 Q:
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Q: Which scientist first melted two pieces of ice by rubbing them together?
2087 061374167576b113a3f9cb375
61374167576b113a3f9cb375- 1Celsiusfalse
- 2Joulefalse
- 3Davytrue
- 4none of thesefalse
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Answer : 3. "Davy"
Q: A raised hammer possesses:
2050 05ef588c3d7fe8173219c62ec
5ef588c3d7fe8173219c62ec- 1Muscular Energyfalse
- 2Mechanical Energyfalse
- 3Potential Energytrue
- 4Kinetic Energyfalse
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Answer : 3. "Potential Energy"
Q: The width of a mirror is called the mirror?
2024 05f6da816ec13dd74800518ac
5f6da816ec13dd74800518ac- 1focusfalse
- 2Dhruvfalse
- 3Asteriskstrue
- 4None of thesefalse
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Answer : 3. "Asterisks"
Q: The process of transferring of charge from a charged object to the earth is called ______________.
2005 15f17e1a49679b57327a85953
5f17e1a49679b57327a85953- 1Neutralizationfalse
- 2Negationfalse
- 3Earthingtrue
- 4Terraformingfalse
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Answer : 3. "Earthing"
Q: The separation of cream from milk by churning is due to
1965 05f35fbb6122f0b4ab91b5688
5f35fbb6122f0b4ab91b5688- 1Cohesive forcefalse
- 2Centrifugal forcetrue
- 3Gravitational forcefalse
- 4None of the abovefalse
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Answer : 2. "Centrifugal force "
Q: Seawater can be purified by the process of -
1952 15f4cd6b3081699374e8112aa
5f4cd6b3081699374e8112aa- 1filtrationfalse
- 2fractional distillationfalse
- 3distillationtrue
- 4evaporationfalse
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Answer : 3. "distillation "
Q: A light bulb working on an 18 V battery draws a current of 3 A. What will be the resistance of the bulb?
1927 064c3967e29beb3482a3bcc75
64c3967e29beb3482a3bcc75- 16 Ωtrue
- 22 Ωfalse
- 34 Ωfalse
- 43 Ωfalse
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Answer : 1. "6 Ω"
Explanation :
An electric bulb running on 18 V battery draws 3A of electric current. The resistance of the bulb will be 6 Ω.
Q: Stands in front of the driver of the motor vehicle?
1893 05f6da9c95256e8407c2ebe13
5f6da9c95256e8407c2ebe13- 1concave mirrorfalse
- 2plane mirrorfalse
- 3convex mirrortrue
- 4Othersfalse
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Answer : 3. "convex mirror"
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