Physics Solar cells work on the principle of Photosynthesis Photovoltaic effect Photoelectric effect Photoconductive effect Photosynthesis Photovoltaic effect Photoelectric effect Photoconductive effect ANSWER DOWNLOAD EXAMIANS APP
Physics Which is best used as a sound absorbing material in partition walls ? Glass - wool Glass pieces Stone chips Steel Glass - wool Glass pieces Stone chips Steel ANSWER DOWNLOAD EXAMIANS APP
Physics A photostat machine works on Electromagnetic image making Thermal image making Electrostatic image making Magnetic image making Electromagnetic image making Thermal image making Electrostatic image making Magnetic image making 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 intensity when train arrives The same in both cases in all respects Of higher pitch when train departs Of higher pitch when train arrives Of higher intensity when train arrives The same in both cases in all respects Of higher pitch when train departs Of higher pitch when train arrives ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier to roll a barrel full of coal tar than to pull it because the full weight of the barrel comes into play when it is pulled more surface area of the barrel is in contact with the road when it is pulled the rolling friction is much less than the sliding friction coal tar is a liquid and it flows in the barrel when it is rolled the full weight of the barrel comes into play when it is pulled more surface area of the barrel is in contact with the road when it is pulled the rolling friction is much less than the sliding friction coal tar is a liquid and it flows in the barrel when it is rolled ANSWER DOWNLOAD EXAMIANS APP
Physics If both the mass and the velocity of a body is increased to twice of their magnitude, the kinetic energy will increase by 2 times 4 times 16 times 8 times 2 times 4 times 16 times 8 times ANSWER DOWNLOAD EXAMIANS APP
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