Physics A doppler effect occurs when a source of sound moves Away from you Towards you None of these Both A & B Away from you Towards you None of these Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics Heavy water is used in nuclear reactor to Increase temperature Absorb neutron Increase speed of neutron Slow down neutron Increase temperature Absorb neutron Increase speed of neutron Slow down neutron ANSWER DOWNLOAD EXAMIANS APP
Physics Intensity of any wave is proportional to which of the following? Cube of amplitude Square of amplitude Amplitude Square root of amplitude Cube of amplitude Square of amplitude Amplitude Square root of amplitude 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 Air layer between two shirts works as good conductor No radiation of heat takes place Air layer between two shirts behaves like insulating media Two thin shirts become thicker so prevent transmission of heat Air layer between two shirts works as good conductor No radiation of heat takes place Air layer between two shirts behaves like insulating media ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the lowest frequency? Xrays Gamma rays Ultra violet rays Visible light Xrays Gamma rays Ultra violet rays Visible light ANSWER DOWNLOAD EXAMIANS APP
Physics Water boils at a lower temperature on the hills because There is less carbon dioxide on the hills There is less oxygen It is cold on the hills There is a decrease in air pressure on the hills There is less carbon dioxide on the hills There is less oxygen It is cold on the hills There is a decrease in air pressure on the hills ANSWER DOWNLOAD EXAMIANS APP