Physics Ultrasound devices operate with minimum frequency from 45 kHz 60 kHz 20kHz 35 kHz 45 kHz 60 kHz 20kHz 35 kHz ANSWER DOWNLOAD EXAMIANS APP
Physics Ohm's law is valid in case of Insulator Superconductor Semiconductor Conductor Insulator Superconductor Semiconductor Conductor ANSWER DOWNLOAD EXAMIANS APP
Physics Who was the first scientist to discover Electrons? Albert Einstein J.C. Bose J.J Thompson Isaac Newton Albert Einstein J.C. Bose J.J Thompson Isaac Newton ANSWER DOWNLOAD EXAMIANS APP
Physics A wire of copper having length I and area of cross-section A is taken and a current i is flown through it. The power dissipated in the wire is P. If we take an aluminium wire having same dimensions and pass the same current through it, the power dissipated will be < P 2P > P P < P 2P > P P ANSWER DOWNLOAD EXAMIANS APP
Physics Plants are dried up in winter due to frost because There is mechanical loss of tissues and drought condition prevails Respiration does not take place at low temperature Evaporation does not take place Photosynthesis does not take place at such low temperature There is mechanical loss of tissues and drought condition prevails Respiration does not take place at low temperature Evaporation does not take place Photosynthesis does not take place at such low temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Nuclear Fission is caused by the impact of Neutron Proton Electron Deutron Neutron Proton Electron Deutron ANSWER DOWNLOAD EXAMIANS APP