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Physics

Physics
Where is a transistor most likely to be found ?

Hearing aid
Fluorescent lamp
Fuse
Wrist watch

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Physics
Sound travels at the fastest speed in

steel
water
air
vacuum

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Physics
Choose the most appropriate answer: Natural radioactivity was discovered by

Marie Curie
Earnest Rutherford
Henry Bacquerel
Enrico Fermi

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Physics
Speed of sound in air is unaffected by change in

Humidity
Temperature
Volume
Pressure

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Physics
A periscope works by the principle of

Reflection
Refraction
Total internal reflection
Diffraction

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Physics
The minimum number of forces to keep a particle in equilibrium is

1
4
2
3

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