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. 2000 80 40 4000 2000 80 40 4000 ANSWER DOWNLOAD EXAMIANS APP
Physics For a freely falling body, the sum of kinetic energy and potential energy is always Zero Variable Unity Same Zero Variable Unity Same ANSWER DOWNLOAD EXAMIANS APP
Physics Which tube used to produce X-ray? Roentgen X-ray tube Coolidge tube None of these Roentgen X-ray tube Coolidge tube None of these ANSWER DOWNLOAD EXAMIANS APP
Physics The combined gas law relates which of the following? Volume & Pressure Volume, Temperature & Pressure Temperature & Pressure Volume & Temperature Volume & Pressure Volume, Temperature & Pressure Temperature & Pressure Volume & Temperature ANSWER DOWNLOAD EXAMIANS APP
Physics The magnifying power of an astronomical telescope can be decreased by Increasing the focal length of the objective None of these Decreasing the focal length of the eyepiece Increasing the focal length of the eyepiece Increasing the focal length of the objective None of these Decreasing the focal length of the eyepiece Increasing the focal length of the eyepiece ANSWER DOWNLOAD EXAMIANS APP
Physics In a refrigerator what produces the cooling ? The evaporation of a volatile liquid The sudden expansion of a compressed gas The ice which deposits on the freezer None of these The evaporation of a volatile liquid The sudden expansion of a compressed gas The ice which deposits on the freezer None of these ANSWER DOWNLOAD EXAMIANS APP
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