Physics Ice is packed in saw dust because Saw dust is poor conductor of heat. Saw dust is a good conductor of heat. Saw dust does not stick to the ice. Saw dust will not get melted easily. Saw dust is poor conductor of heat. Saw dust is a good conductor of heat. Saw dust does not stick to the ice. Saw dust will not get melted easily. ANSWER DOWNLOAD EXAMIANS APP
Physics The frequency of direct current is ________ 100 HZ Zero 60 HZ 50 HZ 100 HZ Zero 60 HZ 50 HZ ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not true about X-rays? Can affect photographic plates Travel with the speed of light Can be reflected or refracted Have low penetrating power Can affect photographic plates Travel with the speed of light Can be reflected or refracted Have low penetrating power ANSWER DOWNLOAD EXAMIANS APP
Physics A light ray travelling from denser to rarer medium at an angle of incidence more than critical angle of concerned media pair suffers. Reflection Diffraction Total internal reflection Refraction Reflection Diffraction Total internal reflection Refraction 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 aroma of the food to come out 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 microwaves to get into the food through the holes 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 prevent the steam pressure from bursting open the pouch To allow the microwaves to get into the food through the holes ANSWER DOWNLOAD EXAMIANS APP
Physics Two rods, one of copper and other of steel, experience the same upthrust when placed in water.Thus, both have Equal weight Equal mass Equal density Equal volume Equal weight Equal mass Equal density Equal volume ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS