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Physics

Physics
Which tube used to produce X-ray?

None of these
Roentgen
X-ray tube
Coolidge tube

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Physics
A nuclear reactor is said to have become 'critical' when

It is ready to produce controlled energy
It stops due to malfunctioning
It is shut down to avoid explosion
It starts emitting dangerous radioactive radiations

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Physics
It is difficult to cook rice

At the sea level
At the top of a mountain
Same anywhere
Under a mine

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Physics
What is the minimum escape velocity of rocket to be launched into space ?

15 Km/Sec.
5 Km/Sec.
6 Km/Sec.
11 Km/Sec.

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Physics
Friction can be reduced by changing from

Sliding to Rolling
Dynamic to Static
Static to Dynamic
Rolling to Sliding

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Physics
The rate at which energy is transferred is called

Volt
Potential
Power
Watt

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MORE MCQ ON Physics

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