Physics The minimum number of forces to keep a particle in equilibrium is 3 2 1 4 3 2 1 4 ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is correct about the properties of Gravitational Forces? They observe inverse square law None Both a and b They are the strongest forces in nature They observe inverse square law None Both a and b They are the strongest forces in nature ANSWER DOWNLOAD EXAMIANS APP
Physics A photo-electric cell converts Light energy to electrical energy Heat energy to mechanical energy Light energy to chemical energy Mechanical energy to electric energy Light energy to electrical energy Heat energy to mechanical energy Light energy to chemical energy Mechanical energy to electric energy ANSWER DOWNLOAD EXAMIANS APP
Physics Red light is used for signals because it has Long wavelength High frequency High intensity Low refraction in the medium Long wavelength High frequency High intensity Low refraction in the medium ANSWER DOWNLOAD EXAMIANS APP
Physics Why does'nt the hydrogen atom emit X-rays? It has only one electron It is highly electropositive Its energy levels are very close to each other It is very small in size It has only one electron It is highly electropositive Its energy levels are very close to each other It is very small in size ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a device designed to protect electrical devices from voltage spikes? Heat protector Voltage unloader Current unloader Surge protector Heat protector Voltage unloader Current unloader Surge protector ANSWER DOWNLOAD EXAMIANS APP
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