Physics The scientist who first sent electromagnetic waves to distant places is Thomas Alva Edison Heinrich Hertz James Clerk Maxwell John Logie Baird Thomas Alva Edison Heinrich Hertz James Clerk Maxwell John Logie Baird 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 aroma of the food to come out 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 microwaves to get into the food through the holes 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 heat to get into the food through the hole ANSWER DOWNLOAD EXAMIANS APP
Physics Necessary element of change in solar energy to electrical energy Berillium Silicon Pure Copper Tantelum Berillium Silicon Pure Copper Tantelum ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not a part of a CRT ? Shadow mask Electron gun Phosphor screen Gas plasma Shadow mask Electron gun Phosphor screen Gas plasma ANSWER DOWNLOAD EXAMIANS APP
Physics The absolute zero is a temperature at which ________ All gases become solid All gases become liquid Water freezes Molecular motion in a gas would cease All gases become solid All gases become liquid Water freezes Molecular motion in a gas would cease ANSWER DOWNLOAD EXAMIANS APP
Physics A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will Decrease Remain unaffected Increase Have its shape changed Decrease Remain unaffected Increase Have its shape changed ANSWER DOWNLOAD EXAMIANS APP
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