Physics
For which of the following game, players must have the knowledge of Pascal's law?

Rafting
Paragliding
Scuba diving
Climbing

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Physics
Stationary wave is formed by

A transverse wave superposing a longitudinal wave
Two waves of same frequency travelling in the opposite direction
Two waves of same frequency travelling in the same direction
Two waves of the same speed superposing

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Physics
In the process of magnetisation of a bar

The entire bulk of the bar gets magnetised
Only the ends of the bar get magnetised
Only some parts of the outer layers of the bar get magnetised
Only the surface of the bar gets magnetised

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Physics
When a piece of pure silicon is doped with aluminium, then

The doped silicon piece will become p-type
The conductivity of the doped silicon piece will remain the same
The resistivity of the doped silicon piece will increase
The doped silicon piece will become n-type

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