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 5R/4 2R 3R/4 R/2 5R/4 2R 3R/4 R/2 ANSWER DOWNLOAD EXAMIANS APP
Physics Air pressure is measured in which of the following units? Steridian Kg/mts Newton Pascal Steridian Kg/mts Newton Pascal ANSWER DOWNLOAD EXAMIANS APP
Physics Remote-sensing device has an inbuilt source of Ultraviolet ray G-ray X-ray Infrared ray Ultraviolet ray G-ray X-ray Infrared ray ANSWER DOWNLOAD EXAMIANS APP
Physics A bullet of mass 10gm is fired with a velocity of 40 m/s from a gun of mass 8 kg. Find the recoil velocity (in m/s) of the gun. 4 2 0.1 0.05 4 2 0.1 0.05 ANSWER DOWNLOAD EXAMIANS APP
Physics Optic fibres are used in : Endoscopy X-ray photos Ultrasound scans CAT scans Endoscopy X-ray photos Ultrasound scans CAT scans ANSWER DOWNLOAD EXAMIANS APP
Physics The absorption of ink by blotting paper involves: Diffusion of ink through the blotting Siphon action Capillary action phenomenon Viscosity of ink Diffusion of ink through the blotting Siphon action Capillary action phenomenon Viscosity of ink ANSWER DOWNLOAD EXAMIANS APP
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