Physics Why does'nt the hydrogen atom emit X-rays? It has only one electron Its energy levels are very close to each other It is very small in size It is highly electropositive It has only one electron Its energy levels are very close to each other It is very small in size It is highly electropositive ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following events occurred first ? Madame Marie Curie became the first woman Nobel Prize winner Max Planck unveiled the Quantum Theory Albert Einstein propounded the General Theory of Relativity Marconi first tranmitted a wireless signal Madame Marie Curie became the first woman Nobel Prize winner Max Planck unveiled the Quantum Theory Albert Einstein propounded the General Theory of Relativity Marconi first tranmitted a wireless signal ANSWER DOWNLOAD EXAMIANS APP
Physics When all the forces and torques are balanced in a mechanical body it is said to be in Buoyancy Equilibrium None of these Static Buoyancy Equilibrium None of these Static ANSWER DOWNLOAD EXAMIANS APP
Physics A photo-electric cell converts Mechanical energy to electric energy Light energy to chemical energy Heat energy to mechanical energy Light energy to electrical energy Mechanical energy to electric energy Light energy to chemical energy Heat energy to mechanical energy Light energy to electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following instruments is used to measure humidity ? Anemometer Sling Psychrometer Kata Thermometer Clinical Thermometer Anemometer Sling Psychrometer Kata Thermometer Clinical Thermometer ANSWER DOWNLOAD EXAMIANS APP
Physics An electron and a proton starting from rest get accelerated through potential difference of 100 kV. The final speed of the electron and the proton are Ve and Vp respectively. Which of the following relations is correct? Ve > Vp Cannot be determined Ve < Vp Ve = Vp Ve > Vp Cannot be determined Ve < Vp Ve = Vp ANSWER DOWNLOAD EXAMIANS APP
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