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Physics

Physics
Eddy current is generated by

Conduction
Induction
Convection
Direct Current

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Physics
The ordinary and maximum tolerance limit of sound by human being is

65 db to 75 db (decibel)
60 db to 80 db (decibel)
50 db to 70 db (decibel)
70 db to 85 db (decibel)

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Physics
The mass of a star is two times the mass of the Sun. How it will come to an end ?

Black hole
White Dwarf
Neutron Star
Red Giant

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Physics
A person lifts luggage of 20 kg from the ground and puts it on his head 2m above the ground. Calculate the work done by him. (g = 10 )

20 J
40J
400J
200J

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Physics
Unit of impedance is ________

Tesla
Hertz
Henry
Ohm

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Physics
A periscope works by the principle of

Total internal reflection
Diffraction
Reflection
Refraction

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MORE MCQ ON Physics

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