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Physics

Physics
What apparatus is used to locate a submerged object?

Pulsar
Radar
Quasar
Sonar

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Physics
The first law of thermodynamics is simply the case of

Newton's law of cooling
Charle's law
The law of heat exchange
The law of conservation of energy

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Physics
A machine powered by rotating blades is a

None of these
Solar panel
Turbines
Fumerole

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Physics
1 Joule is Equal to

10^3 ergs
10^7 ergs
10^5 ergs
10^6 ergs

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Physics
A copper wire of radius r and length l has a resistance of R. A second copper wire with radius 2r and length l is taken and the two wires are joined in a parallel combination. The resultant resistance of the parallel combination of the two wires will be

4 R/5
5 R/4
R/5
5 R

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Physics
Which of the following is not an aerosol?

Mud
Smoke
Fog
Dust

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MORE MCQ ON Physics

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