Physics A dynamo is a device which Converts mechanical energy into electrical energy Converts electrical energy into mechanical energy Creates mechanical energy Creates electrical energy Converts mechanical energy into electrical energy Converts electrical energy into mechanical energy Creates mechanical energy Creates electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics In which one of the following the phenomenon of total internal reflection of light is used ? Twinkling of stars Formation of mirage Formation of rainbow Working of binoculars Twinkling of stars Formation of mirage Formation of rainbow Working of binoculars ANSWER DOWNLOAD EXAMIANS APP
Physics Sound is heard over longer distances on rainy days because Sound travels faster in moist air Moist air does not absorb sound Moist air absorbs sound Sound travels slowly in moist air Sound travels faster in moist air Moist air does not absorb sound Moist air absorbs sound Sound travels slowly in moist air ANSWER DOWNLOAD EXAMIANS APP
Physics Name the process of production of energy in the Sun Nuclear fusion Ionization Nuclear fission Radioactivity Nuclear fusion Ionization Nuclear fission Radioactivity ANSWER DOWNLOAD EXAMIANS APP
Physics Why two thin shirts can keep us warmer than a single thick shirt in winter ? Two thin shirts become thicker so prevent transmission of heat No radiation of heat takes place Air layer between two shirts behaves like insulating media Air layer between two shirts works as good conductor Two thin shirts become thicker so prevent transmission of heat No radiation of heat takes place Air layer between two shirts behaves like insulating media Air layer between two shirts works as good conductor ANSWER DOWNLOAD EXAMIANS APP
Physics In a refrigerator, the cooling system should always be At the bottom At the top Can be anywhere At the middle At the bottom At the top Can be anywhere At the middle ANSWER DOWNLOAD EXAMIANS APP
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