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Physics

Physics
Light travels at the fastest speed in:

glass
water
hydrogen
vacuum

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Physics
The best material for the core of a transformer is

Mild steel
Stainless steel
Soft iron
Hard steel

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Physics
A parallel-plate capacitor of capacitance C1 is made using two gold plates. Another parallel-plate capacitor of capacitance C2 is made using two aluminium plates with same plate separation, and all the four plates are of same area. If rg and ra are respectively the electrical resistivities of gold and aluminium, then which one of the following relations is correct?

C2>C1
C1pa = C2pg
C1 = C2
C1>C2

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Physics
If both the mass and the velocity of a body is increased to twice of their magnitude, the kinetic energy will increase by

4 times
8 times
16 times
2 times

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Physics
Eddy current is generated by

Direct Current
Conduction
Convection
Induction

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Physics
Acceleration is the rate of change of

Jerk
Velocity
Jounce
Speed

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MORE MCQ ON Physics

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