Physics Two metallic wires made from copper have same length but the radius of wire 1 is half of that of wire 2. The resistance of wire 1 is R. If both the wires are joined together in series, the total resistance becomes R/2 2R 5R/4 3R/4 R/2 2R 5R/4 3R/4 ANSWER DOWNLOAD EXAMIANS APP
Physics The shape of our milky way galaxy is Circular Spiral None of these Elliptical Circular Spiral None of these Elliptical ANSWER DOWNLOAD EXAMIANS APP
Physics Night photography and photopraphy in mist and fog are possible using Ultra-violet radiation Microwave radiation Infra-red radiation Gamma radiation Ultra-violet radiation Microwave radiation Infra-red radiation Gamma radiation ANSWER DOWNLOAD EXAMIANS APP
Physics Outside of cooking utensils are generally left black from below because Black surface is a good conductor of heat. It is difficult to clean daily. Black surface is a good absorber of heat. Black surface is a poor conductor of heat. Black surface is a good conductor of heat. It is difficult to clean daily. Black surface is a good absorber of heat. Black surface is a poor conductor of heat. ANSWER DOWNLOAD EXAMIANS APP
Physics Which color deviates least when passing through a Prism Yellow Red Blue Green Yellow Red Blue Green ANSWER DOWNLOAD EXAMIANS APP
Physics A ball rolling along the ground gradually slows down and finally comes to rest is due to ________ Muscular force Magnetic force Friction Electrostatic force Muscular force Magnetic force Friction Electrostatic force ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS