Physics Solar cells work on the principle of Photosynthesis Photoelectric effect Photoconductive effect Photovoltaic effect Photosynthesis Photoelectric effect Photoconductive effect Photovoltaic effect ANSWER DOWNLOAD EXAMIANS APP
Physics In hydro power station, the motion produced in turbines is due to Production of steam Flow of water Burning of diesel Burning of coal Production of steam Flow of water Burning of diesel Burning of coal ANSWER DOWNLOAD EXAMIANS APP
Physics Every hot object emits ________ Ultraviolet rays Infrared rays X–rays Visible light Ultraviolet rays Infrared rays X–rays Visible light ANSWER DOWNLOAD EXAMIANS APP
Physics Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in 4.2 seconds 4.2 years 42 years 42 seconds 4.2 seconds 4.2 years 42 years 42 seconds ANSWER DOWNLOAD EXAMIANS APP
Physics What will happen if an object is dropped from a height and there is no air resistance? Its acceleration will increase It will fall with a constant speed and acceleration Its speed will increase Both speed and acceleration will increase Its acceleration will increase It will fall with a constant speed and acceleration Its speed will increase Both speed and acceleration will increase ANSWER DOWNLOAD EXAMIANS APP
Physics Pa(Pascal) is the unit for Thrust Pressure Frequency Conductivity Thrust Pressure Frequency Conductivity ANSWER DOWNLOAD EXAMIANS APP