Physics Super conductors are substances that Conduct electricity at high temperature Conduct electricity at low temperature Offer minimum resistance to flow of electric current Offer high resistance to the flow of electric current Conduct electricity at high temperature Conduct electricity at low temperature Offer minimum resistance to flow of electric current Offer high resistance to the flow of electric current ANSWER DOWNLOAD EXAMIANS APP
Physics The splitting of white light into its components is due to: Reflection Dispersion Transmission Refraction Reflection Dispersion Transmission Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics Why does'nt the hydrogen atom emit X-rays? 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 It has only one electron Its energy levels are very close to each other It is very small in size ANSWER DOWNLOAD EXAMIANS APP
Physics Calculate the time period (in seconds) of a sound wave of wavelength 4m traveling with a speed of 500m/s 1000 0.008 0.016 2000 1000 0.008 0.016 2000 ANSWER DOWNLOAD EXAMIANS APP
Physics The minimum number of forces to keep a particle in equilibrium is 1 4 3 2 1 4 3 2 ANSWER DOWNLOAD EXAMIANS APP
Physics The reverse effect of X–ray emission is Zeeman effect Compton effect Photoelectric Raman effect Zeeman effect Compton effect Photoelectric Raman effect ANSWER DOWNLOAD EXAMIANS APP