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Physics

Physics
The best material for the core of a transformer is

Mild steel
Soft iron
Hard steel
Stainless steel

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Physics
When a ship enters the sea from a river

It remains at the same level
It rises a little
It sinks a little
It rises or sinks depending on the material it is made of

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Physics
A periscope works on the principle of

Refraction
Reflection
Diffraction
Total internal reflection

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Physics
Which one of the waves have the longest wavelength

Violet
Red
Blue
Green

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Physics
A bomb at rest explodes into a large number of tiny fragments. The total momentum of all the fragments

Is infinity
Is zero
Depends on the speeds of various fragments
Depends on the total mass of all the fragments

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Physics
Identify the vector quantity from the following

Heat
Angular momentum
Time
Work

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MORE MCQ ON Physics

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