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Physics

Physics
Flight Recorder is technically called :

Black box
Blind box
Dark box
Altitude meter

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Physics
Solar energy is due to

Combustion reactions
Fusion reactions
Chemical reactions
Fission reactions

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Physics
What is the minimum distance (in metres) required to hear an echo?

21
13
17
10

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Physics
Soap bubble attains spherical shape due to ________

Pressure
Viscosity
Surface tension
Inertia

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Physics
What type of lens is used in a magnifying glass

Plano-concave
Concave
None of these
Convex

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Physics
When temperature difference between liquid and its surroundings is doubled, the rate of loss of heat will:

Remain same
Three times
Four times
Double

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MORE MCQ ON Physics

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