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Physics

Physics
If a copper wire is increased to double its length, its resistance will become

Double
Half
Four times
One–fourth

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Physics
What is the SI unit of intensity of sound?

Newton
Tesla
Decibel
Heartz

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Physics
Who among the following is credited for the Corpuscular theory of light?

Christiaan Hyugens
Isaac Newton
Albert Einstein
James Clerk Maxwell

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Physics
The audio signals of TV are

Velocity modulated
Unmodulated
Frequency modulated
Amplitude modulated

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Physics
Heat transfer by conduction occurs when molecules

None of these
Combine
Heated
Collide

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Physics
For a freely falling body, the sum of kinetic energy and potential energy is always

Variable
Same
Zero
Unity

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