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 3R/4 2R 5R/4 R/2 3R/4 2R 5R/4 R/2 ANSWER DOWNLOAD EXAMIANS APP
Physics Infrasonic sound has a frequency lower than 20 Hz 32 Hz 15 Hz 5 Hz 20 Hz 32 Hz 15 Hz 5 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics Which is an example of Phototropism? A venus flytrap capturing a fly Plant bending toward the light Roots growing into the soil Roots of a plant following water A venus flytrap capturing a fly Plant bending toward the light Roots growing into the soil Roots of a plant following water ANSWER DOWNLOAD EXAMIANS APP
Physics An object which absorbs all colours and reflects none appears: Blue Grey White Black Blue Grey White Black ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic field lines about a current-carrying wire Circle the wire in closed loops Extend radially from the wire Both of these None of these Circle the wire in closed loops Extend radially from the wire Both of these None of these ANSWER DOWNLOAD EXAMIANS APP
Physics What is the minimum escape velocity of rocket to be launched into space ? 15 Km/Sec. 11 Km/Sec. 6 Km/Sec. 5 Km/Sec. 15 Km/Sec. 11 Km/Sec. 6 Km/Sec. 5 Km/Sec. ANSWER DOWNLOAD EXAMIANS APP
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