Physics Waves that are required for long distance wireless communication are Infrared rays Microwaves Ultraviolet rays Radio waves Infrared rays Microwaves Ultraviolet rays Radio waves ANSWER DOWNLOAD EXAMIANS APP
Physics In which of the following cases, kinetic energy is being used in performing work ? Paddling the bicycle to cover a distance Rowing a boat in the lake Driving a car to cover a distance Wind mill grinding wheat grain Paddling the bicycle to cover a distance Rowing a boat in the lake Driving a car to cover a distance Wind mill grinding wheat grain ANSWER DOWNLOAD EXAMIANS APP
Physics A parallel-plate capacitor,with air in between the plates, has capacitance C. Now the space between the two plates of the capacitor is filled with a dielectric of dielectric constant 7. Then the value of the capacitance will become 7C C/7 14C C 7C C/7 14C C ANSWER DOWNLOAD EXAMIANS APP
Physics Lamberts law is related to Refraction Illumination Reflection Interference Refraction Illumination Reflection Interference ANSWER DOWNLOAD EXAMIANS APP
Physics An aircraft can perform aerobatic manoeuvres in a vertical loop because of Centripetal force Centrifugal force Weight Gravity Centripetal force Centrifugal force Weight Gravity ANSWER DOWNLOAD EXAMIANS APP
Physics A person standing on a railway platform listens to the whistles of arriving and departing trains. The whistle heard is Of higher pitch when train arrives The same in both cases in all respects Of higher pitch when train departs Of higher intensity when train arrives Of higher pitch when train arrives The same in both cases in all respects Of higher pitch when train departs Of higher intensity when train arrives ANSWER DOWNLOAD EXAMIANS APP