Physics The waveform of a certain signal can be studied by Sonometer P – n junction diode Cathode ray oscilloscope Spectrometer Sonometer P – n junction diode Cathode ray oscilloscope Spectrometer ANSWER DOWNLOAD EXAMIANS APP
Physics The intensity ratio of waves is 25 : 9. What is the ratio of their amplitudes? 2.0958333333333 1.0479166666667 0.21041666666667 0.12847222222222 2.0958333333333 1.0479166666667 0.21041666666667 0.12847222222222 ANSWER DOWNLOAD EXAMIANS APP
Physics Light beam which is highly directional is called: Maser Grazer Eraser Laser Maser Grazer Eraser Laser ANSWER DOWNLOAD EXAMIANS APP
Physics What are the particles emitted by radioactive element after 3 consecutive disintegration? 2 beta 1 alpha 1 alpha 1 beta 2 beta 2 alpha 2 alpha 1 beta 2 beta 1 alpha 1 alpha 1 beta 2 beta 2 alpha 2 alpha 1 beta ANSWER DOWNLOAD EXAMIANS APP
Physics In heating frozen foods in sealed pouches in a microwaves, why do you first poke holes in the pouch? To allow the microwaves to get into the food through the holes To allow the aroma of the food to come out through the holes To prevent the steam pressure from bursting open the pouch To allow the heat to get into the food through the hole To allow the microwaves to get into the food through the holes To allow the aroma of the food to come out through the holes To prevent the steam pressure from bursting open the pouch To allow the heat to get into the food through the hole ANSWER DOWNLOAD EXAMIANS APP