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 4000 80 40 2000 4000 80 40 ANSWER DOWNLOAD EXAMIANS APP
Physics Two rods, one of copper and other of steel, experience the same upthrust when placed in water.Thus, both have Equal weight Equal volume Equal mass Equal density Equal weight Equal volume Equal mass Equal density ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following properties is found only in ferromagnetic materials ? Point in a particular direction Attracting a magnetic substance Hysteresis Susceptibility independent of temperature Point in a particular direction Attracting a magnetic substance Hysteresis Susceptibility independent of temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Hot water is poured simultaneously in four metallic tumblers painted outside with different points. After some time the water will be found to have cooled most in the tumbler painted. Rough white Rough black Shining black Shining white Rough white Rough black Shining black Shining white ANSWER DOWNLOAD EXAMIANS APP
Physics In Astrophysics, what name is given to a hypothetical hole in outer space from which stars and energy emerge? White hole Asteroid belt Ozone hole Black hole White hole Asteroid belt Ozone hole Black hole ANSWER DOWNLOAD EXAMIANS APP
Physics Water has maximum density at 100°C 4°C 273°C 0°C 100°C 4°C 273°C 0°C ANSWER DOWNLOAD EXAMIANS APP