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. 40 4000 80 2000 40 4000 80 2000 ANSWER DOWNLOAD EXAMIANS APP
Physics Supercooling is cooling of liquid ________ Above melting point At melting point Below melting point Below freezing point Above melting point At melting point Below melting point Below freezing point ANSWER DOWNLOAD EXAMIANS APP
Physics Thermohaline circulation is mainly due to Cold, dense ocean water sinking and warmer water replacing it Warm water being added to the ocean due to industial waste Warmer, less dense water sinking in the ocean and cold water replacing it Winds causing circulation of ocean water Cold, dense ocean water sinking and warmer water replacing it Warm water being added to the ocean due to industial waste Warmer, less dense water sinking in the ocean and cold water replacing it Winds causing circulation of ocean water ANSWER DOWNLOAD EXAMIANS APP
Physics Acceptable noise level for human ear < 85 db > 85 db None of these = 85 db < 85 db > 85 db None of these = 85 db ANSWER DOWNLOAD EXAMIANS APP
Physics Which one among the following doesn't have any effect on velocity of sound ? Pressure Density Temperature Humidity Pressure Density Temperature Humidity ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is responsible for the working of Newton's colour disc experiment ? Persistence of vision Formation of pure spectra Formation of impure spectra Principle of complementary colour Persistence of vision Formation of pure spectra Formation of impure spectra Principle of complementary colour ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS