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Physics

Physics
If the earth suddenly stop rotating, the value of "g" will be

Become Zero
Same
Decrease
Increase

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Physics
At hill stations, the boiling point of water will be

More than that at sea level
Same as at sea level
Equal to the melting point of ice
Less than that at sea level

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Physics
The frequency of ultrasound wave is typically

Above 20,000 kHz
Below 02 kHz
Below 20 kHz
Above 20 kHz

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Physics
Of the following natural phenomena, tell which one known in Sanskrit as 'deer's thirst'?

Halo
Mirage
Rainbow
Earthshine

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Physics
A transformer works on the principle of

Generator
Inverter
Self induction
Mutual induction

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Physics
A small gap is left at the joints of rails in a railway track to

Keep the rails equidistant
Avoid the tracks being distorted due to seasonal temperature variation
Control the speed of train
Avoid the heating of tracks to high temperature

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