Physics In the remote control of television, electromagnetic waves used are Microwave Infrared Radiowave Ultraviolet Microwave Infrared Radiowave Ultraviolet ANSWER DOWNLOAD EXAMIANS APP
Physics Solar cells work on the principle of Photovoltaic effect Photoelectric effect Photosynthesis Photoconductive effect Photovoltaic effect Photoelectric effect Photosynthesis Photoconductive effect ANSWER DOWNLOAD EXAMIANS APP
Physics In which one of the following the phenomenon of total internal reflection of light is used ? Formation of rainbow Working of binoculars Twinkling of stars Formation of mirage Formation of rainbow Working of binoculars Twinkling of stars Formation of mirage ANSWER DOWNLOAD EXAMIANS APP
Physics A dynamo is a device which Creates mechanical energy Creates electrical energy Converts electrical energy into mechanical energy Converts mechanical energy into electrical energy Creates mechanical energy Creates electrical energy Converts electrical energy into mechanical energy Converts mechanical energy into electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics When an electric bulb breaks, there is an explosive sound. That is due to The air outside rushing in to fill the vacuum inside the bulb The compressed gases inside rushing out suddenly None of these The chemical reaction between the gases inside the bulb The air outside rushing in to fill the vacuum inside the bulb The compressed gases inside rushing out suddenly None of these The chemical reaction between the gases inside the bulb ANSWER DOWNLOAD EXAMIANS APP
Physics An electron and a proton starting from rest get accelerated through potential difference of 100 kV. The final speed of the electron and the proton are Ve and Vp respectively. Which of the following relations is correct? Ve < Vp Cannot be determined Ve = Vp Ve > Vp Ve < Vp Cannot be determined Ve = Vp Ve > Vp ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS