Physics A nuclear reactor is said to have become 'critical' when It is ready to produce controlled energy It is shut down to avoid explosion It starts emitting dangerous radioactive radiations It stops due to malfunctioning It is ready to produce controlled energy It is shut down to avoid explosion It starts emitting dangerous radioactive radiations It stops due to malfunctioning ANSWER DOWNLOAD EXAMIANS APP
Physics Red is used as an emergency or danger signal as It is scattered Its wavelength is the longest It is a striking colour It has very high energy It is scattered Its wavelength is the longest It is a striking colour It has very high energy 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 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 Which one of the following is used for sun glasses ? Pyrex glass Flint glass Crystal glass Crooks glass Pyrex glass Flint glass Crystal glass Crooks glass ANSWER DOWNLOAD EXAMIANS APP
Physics Supercooling is cooling of liquid ________ Above melting point At melting point Below melting point Below freezing point Above melting point At melting point Below melting point Below freezing point ANSWER DOWNLOAD EXAMIANS APP
Physics A parachute descends slowly whereas a stone dropped from the same height falls rapidly, because Special mechanisms are present in parachute Stone is heavier than parachute A parachute has a larger surface area and air resistance is more None of these Special mechanisms are present in parachute Stone is heavier than parachute A parachute has a larger surface area and air resistance is more None of these ANSWER DOWNLOAD EXAMIANS APP