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 R/2 2R 3R/4 5R/4 R/2 2R 3R/4 ANSWER DOWNLOAD EXAMIANS APP
Physics stars which appear single to the naked eye but are double when seen through a telescope are binaries quasars asteroids novas and supernovas binaries quasars asteroids novas and supernovas ANSWER DOWNLOAD EXAMIANS APP
Physics The period of revolution of a geostationary satellite is 30 days 365 days Changing continuously 24 hours 30 days 365 days Changing continuously 24 hours ANSWER DOWNLOAD EXAMIANS APP
Physics Electrical Pressure is also called Current Power Resistance Voltage Current Power Resistance Voltage ANSWER DOWNLOAD EXAMIANS APP
Physics Remote-sensing device has an inbuilt source of X-ray Infrared ray Ultraviolet ray G-ray X-ray Infrared ray Ultraviolet ray G-ray ANSWER DOWNLOAD EXAMIANS APP
Physics Thermohaline circulation is mainly due to Warm water being added to the ocean due to industial waste Cold, dense ocean water sinking and warmer water replacing it Warmer, less dense water sinking in the ocean and cold water replacing it Winds causing circulation of ocean water Warm water being added to the ocean due to industial waste Cold, dense ocean water sinking and warmer water replacing it Warmer, less dense water sinking in the ocean and cold water replacing it Winds causing circulation of ocean water ANSWER DOWNLOAD EXAMIANS APP
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