Physics In AC circuits, AC meters measure Mean values Rms values Mean square values Peak values Mean values Rms values Mean square values Peak values ANSWER DOWNLOAD EXAMIANS APP
Physics Cloudy nights are warmer compared to clear cloudless nights, because clouds mainly Reflect back the heat given by earth Absorb heat from the atmosphere send it towards earth Prevent cold waves from the sky descending on earth Produce heat and radiate it toward earth Reflect back the heat given by earth Absorb heat from the atmosphere send it towards earth Prevent cold waves from the sky descending on earth Produce heat and radiate it toward earth ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of light in air is 3 × 108 m/s Infinity 8 × 103 m/s 3 × 10–8 m/s 3 × 108 m/s Infinity 8 × 103 m/s 3 × 10–8 m/s ANSWER DOWNLOAD EXAMIANS APP
Physics At what temperature (in degree Celsius), the numerical values on Celsius and Fahrenheit scales become equal? 40 273 –273 –40 40 273 –273 –40 ANSWER DOWNLOAD EXAMIANS APP
Physics What is a neuron ? Basic unit of nervous system Particle released during radioactivity Basic unit of energy The anti-particle of neutron Basic unit of nervous system Particle released during radioactivity Basic unit of energy The anti-particle of neutron ANSWER DOWNLOAD EXAMIANS APP
Physics A body of mass 2 kg is thrown upward with initial velocity of 20 m/s. After 2 seconds, its kinetic energy will be : (g = 10 m/s2) 200 J 400 J 0 J 100 J 200 J 400 J 0 J 100 J ANSWER DOWNLOAD EXAMIANS APP