Physics When an atom loses an electron it becomes Neutron Negative ion Positive ion None of these Neutron Negative ion Positive ion None of these ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when a room temperature is 15oC, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15oC, because plastics have a lower density than metals metals are good conductor of heat metals have higher thermal capacity than plastics plastics have a higher thermal conductivity than metals plastics have a lower density than metals metals are good conductor of heat metals have higher thermal capacity than plastics plastics have a higher thermal conductivity than metals ANSWER DOWNLOAD EXAMIANS APP
Physics The ''Greenhouse effect' is mainly due to increase in atmospheric Nitrogen Sulphur dioxide Ozone Carbon dioxide Nitrogen Sulphur dioxide Ozone Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Physics The device used for locating submerged objects under sea is. Maser Sonar Laser Radar Maser Sonar Laser Radar ANSWER DOWNLOAD EXAMIANS APP
Physics Formation of shadows can be explained by Total internal reflection Refraction Reflection Rectilinear propagation of light Total internal reflection Refraction Reflection Rectilinear propagation of light ANSWER DOWNLOAD EXAMIANS APP
Physics Outside of cooking utensils are generally left black from below because Black surface is a good absorber of heat. Black surface is a poor conductor of heat. Black surface is a good conductor of heat. It is difficult to clean daily. Black surface is a good absorber of heat. Black surface is a poor conductor of heat. Black surface is a good conductor of heat. It is difficult to clean daily. ANSWER DOWNLOAD EXAMIANS APP
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