Physics The frequency of direct current is ________ 100 HZ 60 HZ 50 HZ Zero 100 HZ 60 HZ 50 HZ Zero ANSWER DOWNLOAD EXAMIANS APP
Physics Solar energy is due to Fission reactions Combustion reactions Chemical reactions Fusion reactions Fission reactions Combustion reactions Chemical reactions Fusion reactions ANSWER DOWNLOAD EXAMIANS APP
Physics Electrostatic precipitator is used to control the pollution of Thermal Noise Air Water Thermal Noise Air Water ANSWER DOWNLOAD EXAMIANS APP
Physics In a refrigerator what produces the cooling ? The evaporation of a volatile liquid The ice which deposits on the freezer None of these The sudden expansion of a compressed gas The evaporation of a volatile liquid The ice which deposits on the freezer None of these The sudden expansion of a compressed gas ANSWER DOWNLOAD EXAMIANS APP
Physics Choose the most appropriate answer: Sir CV Raman was awarded Noble Prize for his work connected with which of the following phenomenon of radiation? Diffraction Interference Scattering Polarization Diffraction Interference Scattering Polarization ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following celestial bodies contains abundant quantities of helium-3, a potential source of energy ? Venus Earth Saturn Moon Venus Earth Saturn Moon ANSWER DOWNLOAD EXAMIANS APP