Physics Red light is used for signals because it has Low refraction in the medium High intensity High frequency Long wavelength Low refraction in the medium High intensity High frequency Long wavelength ANSWER DOWNLOAD EXAMIANS APP
Physics When a ball is thrown vertically upwards, which of the following quantities remains constant during its motion? Energy Velocity Displacement Acceleration Energy Velocity Displacement Acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics In beta decay what is emitted Electron Proton All of these Neutron Electron Proton All of these Neutron ANSWER DOWNLOAD EXAMIANS APP
Physics A body of mass 2 kg is thrown upward with initial velocity of 20 m/s. After 2 seconds, its kinetic energy will be : (g = 10 m/s2) 200 J 0 J 400 J 100 J 200 J 0 J 400 J 100 J ANSWER DOWNLOAD EXAMIANS APP
Physics A stone is dropped from the roof of a house towards the ground. The kinetic energy of the stone will be maximum: When it is just on the half-way When it touches the ground Just after it is dropped Just before it touches the ground When it is just on the half-way When it touches the ground Just after it is dropped Just before it touches the ground ANSWER DOWNLOAD EXAMIANS APP
Physics The theory of relativity is presented by which scientist Albert Einstein Stephen Hawking Isaac Newton Marie Curie Albert Einstein Stephen Hawking Isaac Newton Marie Curie ANSWER DOWNLOAD EXAMIANS APP
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