Physics Inside an aeroplane, flying at a high altitude, normal atmospheric pressure is maintained by the use of air pumps. the pressure is the same as that outside. the pressure inside is less than the pressure outside. normal humidity and partial vacuum are maintained. normal atmospheric pressure is maintained by the use of air pumps. the pressure is the same as that outside. the pressure inside is less than the pressure outside. normal humidity and partial vacuum are maintained. ANSWER DOWNLOAD EXAMIANS APP
Physics The reverse effect of X–ray emission is Zeeman effect Compton effect Raman effect Photoelectric Zeeman effect Compton effect Raman effect Photoelectric ANSWER DOWNLOAD EXAMIANS APP
Physics Light travels in a straight line (rectilinear propagation of light). This statement does hold if the medium of travel for light is Homogeneous and transparent Inhomogeneous and transparent Of variable refractive index Made up of slabs of different refractive indices Homogeneous and transparent Inhomogeneous and transparent Of variable refractive index Made up of slabs of different refractive indices 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 allow the heat to get into the food through the hole To allow the aroma of the food to come out through the holes To prevent the steam pressure from bursting open the pouch To allow the microwaves to get into the food through the holes To allow the heat to get into the food through the hole To allow the aroma of the food to come out through the holes To prevent the steam pressure from bursting open the pouch ANSWER DOWNLOAD EXAMIANS APP
Physics When a person sitting on a swing stands up on the swing, the frequency of oscillation Becomes infinite Increases Decreases Does not change Becomes infinite Increases Decreases Does not change ANSWER DOWNLOAD EXAMIANS APP
Physics Ventilators are provided near the ceiling of the room because The exhaled warmer air rises up and goes out These provide cross ventilation in the room These provide some sunlight in the room These do not look nice in the lower part The exhaled warmer air rises up and goes out These provide cross ventilation in the room These provide some sunlight in the room These do not look nice in the lower part ANSWER DOWNLOAD EXAMIANS APP
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