Physics Velocity of sound in air does not change with the change of Moisture content in air Temperature of air Pressure of air Wind in the direction of propagation of sound Moisture content in air Temperature of air Pressure of air Wind in the direction of propagation of sound 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 R/2 3R/4 2R 5R/4 R/2 3R/4 2R ANSWER DOWNLOAD EXAMIANS APP
Physics Contact force is another name for ________ Muscular force Friction Electrostatic force Magnetic force Muscular force Friction Electrostatic force Magnetic force ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following principle is used to produce ''low-temperatures' ? Joule-Kelvin effect Thermo-electric effect Adiabatic demagnetisation Super conductivity Joule-Kelvin effect Thermo-electric effect Adiabatic demagnetisation Super conductivity ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following instruments is used to measure humidity ? Kata Thermometer Anemometer Clinical Thermometer Sling Psychrometer Kata Thermometer Anemometer Clinical Thermometer Sling Psychrometer ANSWER DOWNLOAD EXAMIANS APP
Physics The direction of heat flow between two objects depends on Their temperatures Their masses Whether they are in solid, liquid or gaseous state Their heat contents Their temperatures Their masses Whether they are in solid, liquid or gaseous state Their heat contents ANSWER DOWNLOAD EXAMIANS APP