Physics Coolis tube is used to produce Radio waves Micro waves Gama rays X-rays Radio waves Micro waves Gama rays X-rays ANSWER DOWNLOAD EXAMIANS APP
Physics The audio signals of TV are Unmodulated Amplitude modulated Frequency modulated Velocity modulated Unmodulated Amplitude modulated Frequency modulated Velocity modulated ANSWER DOWNLOAD EXAMIANS APP
Physics Radio telescopes are better than optical telescopes because 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 they can work even in cloudy conditions they can detect faint galaxies which no optical telescope can ANSWER DOWNLOAD EXAMIANS APP
Physics Acceptable noise level for human ear = 85 db < 85 db > 85 db None of these = 85 db < 85 db > 85 db None of these ANSWER DOWNLOAD EXAMIANS APP
Physics An electric fuse is based on All of these The chemical effect of the current The heating effect of the current The magnetic effect of the current All of these The chemical effect of the current The heating effect of the current The magnetic effect of the current ANSWER DOWNLOAD EXAMIANS APP
Physics Negative acceleration is in the opposite direction of: Distance Force Momentum Velocity Distance Force Momentum Velocity ANSWER DOWNLOAD EXAMIANS APP