Physics
Nuclear Reactors are based on which of the following phenomenon?

None of these
Magnetic confinement of Plasma
Nuclear Fusion
Controlled Nuclear Fission

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Physics
RADAR is used for:

locating submerged submarines.
locating geostationary satellites.
receiving a signals in a radio receiver.
detecting and locating the position of objects such as Aeroplanes.

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Physics
The wall of a dam is broader at the base

To withstand pressure that increases in a horizontal plane
Because streamlining is required
To withstand pressure that increases with depth
To withstand pressure that is increased with atmospheric pressure

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