Physics Practice Question and Answer
8 4 Q:
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5f6da816ec13dd74800518ac 4 Q:
5f17e1a49679b57327a85953 4 Q:
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64c3967e29beb3482a3bcc75 Answer : 1. "6 Ω"
Q: Which scientist first melted two pieces of ice by rubbing them together?
2006 061374167576b113a3f9cb375
61374167576b113a3f9cb375- 1Celsiusfalse
- 2Joulefalse
- 3Davytrue
- 4none of thesefalse
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Answer : 3. "Davy"
Q: A raised hammer possesses:
1977 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?
1954 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 ______________.
1926 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
1887 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 -
1879 15f4cd6b3081699374e8112aa
5f4cd6b3081699374e8112aa- 1filtrationfalse
- 2fractional distillationfalse
- 3distillationtrue
- 4evaporationfalse
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Answer : 3. "distillation "
Q: Household appliances based on thermal effect of electric current is-
1844 05f8fecaa9e18f97b703a48b3
5f8fecaa9e18f97b703a48b3- 1Electric heaterfalse
- 2Electric bulbfalse
- 3Tubelightfalse
- 4All of the abovetrue
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Answer : 4. "All of the above"
Q: A light bulb working on an 18 V battery draws a current of 3 A. What will be the resistance of the bulb?
1801 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.
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