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 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 microwaves to get into the food through the holes To allow the heat to get into the food through the hole To prevent the steam pressure from bursting open the pouch To allow the aroma of the food to come out through the holes ANSWER DOWNLOAD EXAMIANS APP
Physics A piece of paper and a cricket ball are dropped from the same height. Under which of the following conditions do both reach the surface simultaneously ? They must have the same mass They must have the same density They must be dropped in vacuum They must have the same volume They must have the same mass They must have the same density They must be dropped in vacuum They must have the same volume ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of sound in air depends on Frequency Wavelength Temperature None of these Frequency Wavelength Temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Velocity of sound in air does not change with the change of Wind in the direction of propagation of sound Pressure of air Temperature of air Moisture content in air Wind in the direction of propagation of sound Pressure of air Temperature of air Moisture content in air ANSWER DOWNLOAD EXAMIANS APP
Physics A disk and a sphere of same radius but different masses roll on two inclined planes of the same altitude and length. Which one of the two objects gets to the bottom of the plane first ? Depends on their masses Sphere Disk Both reach at the same time Depends on their masses Sphere Disk Both reach at the same time ANSWER DOWNLOAD EXAMIANS APP
Physics A device used for converting a.c. into d.c. is called Rectifier Induction coil Dynamo Transformer Rectifier Induction coil Dynamo Transformer ANSWER DOWNLOAD EXAMIANS APP