Physics Tungsten is used for the manufacture of the filament of an electric bulb, because It is a good conductor It is economical It is malleable It has a very high melting point It is a good conductor It is economical It is malleable It has a very high melting point ANSWER DOWNLOAD EXAMIANS APP
Physics Railway tracks are banked on curves so that Necessary centrifugal force may be obtained from the horizontal component of the weight of the train The train may not fall down inwards Necessary centripetal force may be obtained from the horizontal component of the weight of the train No frictional force may be produced between the tracks and the wheels of the train Necessary centrifugal force may be obtained from the horizontal component of the weight of the train The train may not fall down inwards Necessary centripetal force may be obtained from the horizontal component of the weight of the train No frictional force may be produced between the tracks and the wheels of the train ANSWER DOWNLOAD EXAMIANS APP
Physics Microphone is a device which transforms the Sound signal into current signal Current signal into sound signal Sound signal into light signal Light signal into sound signal Sound signal into current signal Current signal into sound signal Sound signal into light signal Light signal into sound signal ANSWER DOWNLOAD EXAMIANS APP
Physics The sounds having a frequency of 20 Hertz to 20,000 Hertz are known as Audible sounds Infrasonics Megasonics Ultrasonics Audible sounds Infrasonics Megasonics Ultrasonics ANSWER DOWNLOAD EXAMIANS APP
Physics Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in 4.2 seconds 42 years 42 seconds 4.2 years 4.2 seconds 42 years 42 seconds 4.2 years 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 heat to get into the food through the hole 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 prevent the steam pressure from bursting open the pouch 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 allow the microwaves to get into the food through the holes To prevent the steam pressure from bursting open the pouch ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS