Physics Speed of sound is maximum in which among the following? Vaccum Gases Solids Liquids Vaccum Gases Solids Liquids ANSWER DOWNLOAD EXAMIANS APP
Physics In a refrigerator what produces the cooling ? The sudden expansion of a compressed gas The evaporation of a volatile liquid None of these The ice which deposits on the freezer The sudden expansion of a compressed gas The evaporation of a volatile liquid None of these The ice which deposits on the freezer ANSWER DOWNLOAD EXAMIANS APP
Physics The final image in a simple microscope is Virtual, magnified and erect Real, magnified and erect Real, diminished and inverted Virtual, diminished and erect Virtual, magnified and erect Real, magnified and erect Real, diminished and inverted Virtual, diminished and erect ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fibre works on the interference principle of refraction scattering total internal reflection interference principle of refraction scattering total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics A metal-semiconductor junction diode is called ________ Tunnel diode Photo diode Schottky diode P-N Juction diode Tunnel diode Photo diode Schottky diode P-N Juction diode ANSWER DOWNLOAD EXAMIANS APP
Physics In heating frozen foods in sealed pouches in a microwaves, why do you first poke holes in the pouch? To allow the microwaves to get into the food through the holes To prevent the steam pressure from bursting open the pouch To allow the aroma of the food to come out through the holes To allow the heat to get into the food through the hole To allow the microwaves to get into the food through the holes To prevent the steam pressure from bursting open the pouch To allow the aroma of the food to come out through the holes To allow the heat to get into the food through the hole ANSWER DOWNLOAD EXAMIANS APP
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