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Physics

Physics
The resistance of the human body (dry condition) is of the order of

101 Ohm
None of these
102 Ohm
103 Ohm

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Physics
A transformer works on the principle of

Inverter
Self induction
Mutual induction
Generator

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Physics
The point where total mass of a body is supposed to be concentrated is known as

Centre of gravity
Centre of motion
Dead centre
Centre of mass

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Physics
Mach number is used in connection with the speed of

sound
aircraft
ships
spacecraft

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Physics
If ice floating on water in a vessel melts, the water level in the vessel ________ .

Increases
Does not change
Decreases
First increases before decreasing

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Physics
What is the minimum velocity required for a rocket to overcome earth's gravity and travel into space?

11.2 km/sec
35 km/sec
18 km/sec
21 km/sec

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