Physics In the absence of ozone layer, which rays will enter into atmosphere? Ultraviolet X-rays Infrared Visible Ultraviolet X-rays Infrared Visible ANSWER DOWNLOAD EXAMIANS APP
Physics Suppose voltage V is applied across a resistance R. The power dissipated in the resistance is P. Now the same voltage V is applied across a parallel combination of three equal resistors each of resistance R. Then the power dissipated in the second case will be P/3 2p/ 3 3P P P/3 2p/ 3 3P P ANSWER DOWNLOAD EXAMIANS APP
Physics The damage of the human body due to radiation (X-rays or grays etc,) is measured in : Curie Roentgen Rads Rems Curie Roentgen Rads Rems ANSWER DOWNLOAD EXAMIANS APP
Physics Anemometer is an instrument meant for measuring ________ Air masses Velocity Temperature Wind speed Air masses Velocity Temperature Wind speed 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 3R/4 2R R/2 5R/4 3R/4 2R R/2 5R/4 ANSWER DOWNLOAD EXAMIANS APP
Physics Heat from the sun reaches earth by the process of Radiation Convection Conduction All of these Radiation Convection Conduction All of these ANSWER DOWNLOAD EXAMIANS APP