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Physics

Physics
Refractive Index of glass with respect to water is

43864
43924
44082
44052

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Physics
A fresh egg when placed in salt water will

Sink and go to the bottom
Float
Sink but will not go to the bottom
Burst

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Physics
When a bar magnet is cut into two equal halves, the pole strength of each piece –

Becomes zero
Becomes half
Becomes double
Remains the same

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Physics
In spherical polar coordinates (l, q, a), q denotes the polar angle around z-axis and a denotes the azimuthal angle raised from x-axis . Then the y-component of P is given by

Psinq cosa
Pcosq cosa
Pcosq sina
Psinq sina

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Physics
If cream is removed from milk, its density

Decreases
Increases
May increase or decrease
Remains the same

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Physics
In a diesel engine the high temperature needed to ignite the fuel is achieved by

Compressing air in the cylinders
Using heat from exhaust
An electrical spark
The battery

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MORE MCQ ON Physics

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