Physics Who enunciated the laws of planetary motion? Galileo Nicolaus Copernicus Isaac Newton Johannes Kepler Galileo Nicolaus Copernicus Isaac Newton Johannes Kepler ANSWER DOWNLOAD EXAMIANS APP
Physics Which elements are malleable and good conductors of electricity? Iodine and silver Iodine and xenon Tin and silver Tin and xenon Iodine and silver Iodine and xenon Tin and silver Tin and xenon 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 black Rough white Shining white Shining black Rough black Rough white Shining white Shining black ANSWER DOWNLOAD EXAMIANS APP
Physics A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will Increase Decrease Have its shape changed Remain unaffected Increase Decrease Have its shape changed Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Physics When two semiconductors of pand n-type are brought in contact, they form p-n junction which acts like a/an Oscillator Rectifier Amplifier Conductor Oscillator Rectifier Amplifier Conductor ANSWER DOWNLOAD EXAMIANS APP
Physics The frequency of ultrasound wave is typically Below 02 kHz Above 20,000 kHz Below 20 kHz Above 20 kHz Below 02 kHz Above 20,000 kHz Below 20 kHz Above 20 kHz ANSWER DOWNLOAD EXAMIANS APP