Physics Which of the following is a renewable resource of energy? Wind energy All of these Hydrogen fuel Solar energy Wind energy All of these Hydrogen fuel Solar energy ANSWER DOWNLOAD EXAMIANS APP
Physics Suitable impurities are added to a semiconductor depending on its use. This is done in order to enable it to withstand higher voltages increase its life increase its electrical conductivity increase its electrical resistivity enable it to withstand higher voltages increase its life increase its electrical conductivity increase its electrical resistivity ANSWER DOWNLOAD EXAMIANS APP
Physics Ice is packed in saw dust because Saw dust is poor conductor of heat. Saw dust will not get melted easily. Saw dust does not stick to the ice. Saw dust is a good conductor of heat. Saw dust is poor conductor of heat. Saw dust will not get melted easily. Saw dust does not stick to the ice. Saw dust is a good conductor of heat. ANSWER DOWNLOAD EXAMIANS APP
Physics Ozone layer above the surface of Earth provides a shield against Infra-red rays Ultra-violet rays X-rays Gamma rays Infra-red rays Ultra-violet rays X-rays Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Physics A concave lens always forms an image which is Virtual and erect Real and erect Virtual and inverted Real and inverted Virtual and erect Real and erect Virtual and inverted Real and inverted ANSWER DOWNLOAD EXAMIANS APP
Physics Which one among the following doesn't have any effect on velocity of sound ? Density Pressure Temperature Humidity Density Pressure Temperature Humidity ANSWER DOWNLOAD EXAMIANS APP