Physics Light beam which is highly directional is called: Grazer Laser Eraser Maser Grazer Laser Eraser Maser ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic wires made from copper have same length but the radius of wire 1 is half of that of wire 2. The resistance of wire 1 is R. If both the wires are joined together in series, the total resistance becomes 5R/4 3R/4 2R R/2 5R/4 3R/4 2R R/2 ANSWER DOWNLOAD EXAMIANS APP
Physics When a detergent is added to pure water, its surface tension Becomes infinite Decreases Remains constant Increases Becomes infinite Decreases Remains constant Increases ANSWER DOWNLOAD EXAMIANS APP
Physics Gas thermometers are more sensitive than the liquid thermometers because the gases Are lighter Have large coefficient of expansion Have high,specific heat Have low specific heat Are lighter Have large coefficient of expansion Have high,specific heat Have low specific heat ANSWER DOWNLOAD EXAMIANS APP
Physics Heat transfer horizontally within the atmosphere is called Conduction Advection Absorption Convection Conduction Advection Absorption Convection ANSWER DOWNLOAD EXAMIANS APP
Physics A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ? Will increase first and then dcrease Remain constant Increase Dacrease Will increase first and then dcrease Remain constant Increase Dacrease ANSWER DOWNLOAD EXAMIANS APP
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