Physics Find the resistance (in mega) of a wire of length 20m, cross sectional area 1 cm2 and made of a material of resistivity 200m. 4000 40 2000 80 4000 40 2000 80 ANSWER DOWNLOAD EXAMIANS APP
Physics What factors contribute to global winds? Coriolis Effect All of these Convection Cells Uneven warming of the earth by the sun Coriolis Effect All of these Convection Cells Uneven warming of the earth by the sun ANSWER DOWNLOAD EXAMIANS APP
Physics Find the power of a convex lens if the image formed is at a distance of 16 cm from the lens when the object is placed on the other side of the lens at 20 cm from the optical centre? -11.25 diopters -3.75 diopters 11.25 diopters 3.75 diopters -11.25 diopters -3.75 diopters 11.25 diopters 3.75 diopters ANSWER DOWNLOAD EXAMIANS APP
Physics Velocity of sound in air does not change with the change of Moisture content in air Temperature of air Wind in the direction of propagation of sound Pressure of air Moisture content in air Temperature of air Wind in the direction of propagation of sound Pressure of air ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic keepers are used to protect magnets from : Earth's magnetic field Effect of other magnets Demagnetization due to heating Self-demagnetization Earth's magnetic field Effect of other magnets Demagnetization due to heating Self-demagnetization ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the highest frequency? Radio waves X-rays Cosmic rays Microwaves Radio waves X-rays Cosmic rays Microwaves ANSWER DOWNLOAD EXAMIANS APP