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Physics

Physics
Alternating current is converted into direct current by a

Dynamo
Oscillator
Rectifier
Transformer

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Physics
What is the gravity of moon as compared to the Earth

1/8 th of Earth
1/5 th of Earth
1/4 th of Earth
1/6 th of Earth

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Physics
In the remote control of television, electromagnetic waves used are

Radiowave
Infrared
Microwave
Ultraviolet

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Physics
Electricity is transmitted over long distances

It is cheaper
It is fast
There is less wastage of energy
It is safer

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Physics
Which of the following characteristics of light remains unchanged when light travels from vaccum enters water

Frequency
Wavelength
Amplitude
Speed

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Physics
The basic reason for the extraordinary sparkle of suitably cut diamond is that

It has a very high refractive index
It has well defined cleavage planes
It has a very high transparency
It is very hard

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MORE MCQ ON Physics

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