Physics Which one of the following wavelengths of light is most effective in photosynthesis ? Blue Orange Yellow Green Blue Orange Yellow Green ANSWER DOWNLOAD EXAMIANS APP
Physics 'Mirage' is an example of Total internal reflection of light only Dispersion of light only Refraction and total internal reflection of light Refraction of light only Total internal reflection of light only Dispersion of light only Refraction and total internal reflection of light Refraction of light only ANSWER DOWNLOAD EXAMIANS APP
Physics Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to: The heating effect of current alone Both the heating effect of current and hysteresis loss Intense sunlight at noon Hysteresis loss alone The heating effect of current alone Both the heating effect of current and hysteresis loss Intense sunlight at noon Hysteresis loss alone ANSWER DOWNLOAD EXAMIANS APP
Physics A gas thermometer is more sensitive than a liquid thermometer because a gas : Is easy to obtain Is lighter than liquid Does not change state easily Expands more than a liquid Is easy to obtain Is lighter than liquid Does not change state easily Expands more than a liquid ANSWER DOWNLOAD EXAMIANS APP
Physics Which microscope is often used to view metal surfaces? Electron microscopes None of these Optical microscopes Scanning tunneling microscopes Electron microscopes None of these Optical microscopes Scanning tunneling microscopes ANSWER DOWNLOAD EXAMIANS APP
Physics Thermohaline circulation is mainly due to Warm water being added to the ocean due to industial waste Cold, dense ocean water sinking and warmer water replacing it Winds causing circulation of ocean water Warmer, less dense water sinking in the ocean and cold water replacing it Warm water being added to the ocean due to industial waste Cold, dense ocean water sinking and warmer water replacing it Winds causing circulation of ocean water Warmer, less dense water sinking in the ocean and cold water replacing it ANSWER DOWNLOAD EXAMIANS APP
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