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. 4 only 1, 2 and 3 only 3 and 4 only 1, 2, 3 and 4 4 only 1, 2 and 3 only 3 and 4 only 1, 2, 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in moist air is more than in dry air because the moist air has More pressure than dry air. Less pressure than dry air. Less density than dry air. More density than dry air. More pressure than dry air. Less pressure than dry air. Less density than dry air. More density than dry air. ANSWER DOWNLOAD EXAMIANS APP
Physics Fiber optics cable used in communication, works on the principle of Diffuse reflection of light Regular reflection of light Total internal reflection of light Refraction of light Diffuse reflection of light Regular reflection of light Total internal reflection of light Refraction of light ANSWER DOWNLOAD EXAMIANS APP
Physics What is the wavelength of visible spectrum ? 8500 A° – 9800 A° 3900 A° – 7600 A° 1300 A°–3000 A° 7800 A° – 8000 A° 8500 A° – 9800 A° 3900 A° – 7600 A° 1300 A°–3000 A° 7800 A° – 8000 A° ANSWER DOWNLOAD EXAMIANS APP
Physics The rate of flow of electric charge is measured in Ampere Ampere-coulomb Ampere/coulomb Coulomb Ampere Ampere-coulomb Ampere/coulomb Coulomb ANSWER DOWNLOAD EXAMIANS APP
Physics A cycle tyre bursts suddenly. This represents an : Adiabatic process Isothermal process Isochoric process Isoboric process Adiabatic process Isothermal process Isochoric process Isoboric process ANSWER DOWNLOAD EXAMIANS APP
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