Physics The layer of atmosphere used for radio-wave transmission is Chromosphere Stratosphere Troposphere Ionosphere Chromosphere Stratosphere Troposphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Purity of a metal can be determined with the help of Pascal's law Boyle's law Archimedes principle Conservation of mass principle Pascal's law Boyle's law Archimedes principle Conservation of mass principle ANSWER DOWNLOAD EXAMIANS APP
Physics A wheel-barrow is an example of Class III lever Class I lever Pulley system Class II lever Class III lever Class I lever Pulley system Class II lever ANSWER DOWNLOAD EXAMIANS APP
Physics After removing two electrons from helium atom it become? Alpha particle UV rays Gama particle X rays Alpha particle UV rays Gama particle X rays ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier to roll a stone up a sloping road than to lift it vertical upwards because Work done in rolling a stone is less than in lifting it. Work done in rolling is more than in lifting. Work done in both is same but the rate of doing work is less in rolling. Work done in lifting the stone is equal to rolling it. Work done in rolling a stone is less than in lifting it. Work done in rolling is more than in lifting. Work done in both is same but the rate of doing work is less in rolling. Work done in lifting the stone is equal to rolling it. ANSWER DOWNLOAD EXAMIANS APP
Physics Superconductors are those elements Whose conductivity is intermediate between metals and insulators Which turn into insulators at very low temperatures Which conduct electricity only at super-high temperatures Whose resistance falls almost to zero at very low temperatures Whose conductivity is intermediate between metals and insulators Which turn into insulators at very low temperatures Which conduct electricity only at super-high temperatures Whose resistance falls almost to zero at very low temperatures ANSWER DOWNLOAD EXAMIANS APP