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Physics

Physics
Minimum number of unequal vectors which can give zero resultant are

four
more than four
two
three

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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 ?

White Dwarf
Neutron Star
Black hole
Red Giant

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Physics
Out of the following, which is not emitted by radioactive substance?

Alpha particles
Electromagnetic radiations
Electrons
Neutrons

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Physics
Quality of a musical note depends on

Amplitude of the wave
Harmonics present
Velocity of sound in the medium
Fundamental frequency

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Physics
The dimension of Planck constant equals to that of

Angular momentum
Energy
Momentum
Power

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Physics
Mercury is commonly used as a thermometric fluid rather than water because

density of mercury is more than the water
mercury has greater visibility than water
specific heat of mercury is more than water
specific heat of mercury is less than water

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