Physics Echo is heard due to Refraction Interference Scattering Reflection Refraction Interference Scattering Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics For photoelectric effect to take place, the metal used as the cathode should have ________ Low melting point Low work function Low resistance High melting point Low melting point Low work function Low resistance High melting point ANSWER DOWNLOAD EXAMIANS APP
Physics What is the full form of "RADAR" ? Region Device and Ranging Radio Detecting and Ranging Radio Detect and Rangs Radio Device and Ranging Region Device and Ranging Radio Detecting and Ranging Radio Detect and Rangs Radio Device and Ranging ANSWER DOWNLOAD EXAMIANS APP
Physics Radio telescopes are better than optical telescopes because they can work even in cloudy conditions they can detect faint galaxies which no optical telescope can they can work during the day and night All of these they can work even in cloudy conditions they can detect faint galaxies which no optical telescope can they can work during the day and night All of these ANSWER DOWNLOAD EXAMIANS APP
Physics Radiocarbon is produced in the atmosphere as a result of Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. Lightning discharge in atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. Lightning discharge in atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. ANSWER DOWNLOAD EXAMIANS APP
Physics Flemings ''Left hand Rule" is associated with the effect of Electric field on current Magnetic field on magnet Electric field on magnet Magnetic Field on current Electric field on current Magnetic field on magnet Electric field on magnet Magnetic Field on current ANSWER DOWNLOAD EXAMIANS APP