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Physics

Physics
Submerged objects can be located using

Radar
Quasar
Sonar
Pulsar

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Physics
If the temperature of a place increases suddenly, the relative humidity

Decreases
Remains constant
Increases
Fluctuates

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Physics
Which type of reaction produces the most harmful radiation ?

Chemical reaction
Fusion reaction
Photo-Chemical reaction
Fission reaction

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Physics
The SI unit of luminous emittance is :

Lumen second
Lux
Candela
Lumen

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Physics
Which of the following is used to split white light into different colours ?

Concave lens
Prism
Glass slab
Convex lens

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Physics
Sound travels fastest in

Glass
Vacuum
Water
Air

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