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Physics

Physics
The speed of light in air is

8 × 103 m/s
3 × 108 m/s
Infinity
3 × 10–8 m/s

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Physics
The density of the liquid when heated

Increases
May increase of decrease depending on pressure
Decreases
Does not change

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Physics
Optical fibres are based on the phenomenon of

Dispersion
Diffraction
Total Internal Reflection
Interference

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Physics
Which of the following circuit elements is used to ''block" DC in an electronic circuit ?

Resistances
Inductance
Capacitance
Diode

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Physics
The lift of an aeroplane is caused by

Theorem of continuity
Bernouli's theorem
Pascel's law
Law of gravitation

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Physics
The best material for the core of a transformer is

Soft iron
Stainless steel
Hard steel
Mild steel

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MORE MCQ ON Physics

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