Physics The impurity atoms with which silicon should be doped to make p-type semiconductors are Germanium Boron Antimony Phosphorus Germanium Boron Antimony Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not a form of Energy? Heat Pressure Sound Motion Heat Pressure Sound Motion ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fibre works on the total internal reflection scattering interference principle of refraction total internal reflection scattering interference principle of refraction ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not true about X-rays? Can be reflected or refracted Travel with the speed of light Have low penetrating power Can affect photographic plates Can be reflected or refracted Travel with the speed of light Have low penetrating power Can affect photographic plates ANSWER DOWNLOAD EXAMIANS APP
Physics A body of mass 5 kg accelerates from 12 m/s to 20 m/s in 4 seconds due to the application of a force on it. Calculate the magnitude of this force (in N). 80 20 10 40 80 20 10 40 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 2000 0.016 0.008 1000 2000 0.016 0.008 ANSWER DOWNLOAD EXAMIANS APP