Physics Ultrasound devices operate with minimum frequency from 60 kHz 20kHz 35 kHz 45 kHz 60 kHz 20kHz 35 kHz 45 kHz ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these is exhibiting kinetic energy? A person sitting on a couch while watching TV All of these An archer with a flexed bow A space station orbiting Earth A person sitting on a couch while watching TV All of these An archer with a flexed bow A space station orbiting Earth ANSWER DOWNLOAD EXAMIANS APP
Physics In a photocell light energy is converted into Electrical energy Heat energy Potential energy Chemical energy Electrical energy Heat energy Potential energy Chemical energy ANSWER DOWNLOAD EXAMIANS APP
Physics Working of safety fuses depends upon1. magnetic effect of the current2. chemical effect of the current3. magnitude of the current4. heating effect of the currentSelect the correct answer using the code given below. 1, 2 and 3 only 4 only 3 and 4 only 1, 2, 3 and 4 1, 2 and 3 only 4 only 3 and 4 only 1, 2, 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
Physics Why does water tank appear shallower when viewed from the top? Due to total internal reflection Due to reflection Due to refraction Due to diffraction Due to total internal reflection Due to reflection Due to refraction Due to diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics A radioactive substance does not undergo any change (in mass or charge) during Alpha-emission Gamma-emission Beta-emission Oxidation Alpha-emission Gamma-emission Beta-emission Oxidation ANSWER DOWNLOAD EXAMIANS APP
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