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PHYSICS

Physics
Magnetic keepers are used to protect magnets from :

Effect of other magnets
Demagnetization due to heating
Earth's magnetic field
Self-demagnetization

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Physics
Which among the following is the fundamental quantity ?

Force
Velocity
Volume
Time

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Physics
A bucket of water is hung from a spring balance. A piece of iron is suspended in the water without touching the sides or touching the bottom of the bucket. The reading of the spring balance

Does not change
Will increase
Will decrease
Varies with the increase of depth of the immersion of the iron piece

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Physics
1 amu is equivalent to

931 KeV
931 MeV
931 eV
1 eV

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Physics
1 m/s equals ________ km/hr

43967
16/5
43969
18/5

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