Physics What is the minimum velocity required for a rocket to overcome earth's gravity and travel into space? 18 km/sec 21 km/sec 11.2 km/sec 35 km/sec 18 km/sec 21 km/sec 11.2 km/sec 35 km/sec ANSWER DOWNLOAD EXAMIANS APP
Physics Lakes freeze in cold countries in winter, leaving the water underneath at 4°C 0°F 0°C 4°F 4°C 0°F 0°C 4°F ANSWER DOWNLOAD EXAMIANS APP
Physics The sky appears blue because of Reflection on sea water Emision of blue wavelength by the sun Scattering of light Atmospheric water vapour Reflection on sea water Emision of blue wavelength by the sun Scattering of light Atmospheric water vapour ANSWER DOWNLOAD EXAMIANS APP
Physics Bandwidth is the The rate of data transfer None of these Both a & b A measure of the width of a range of frequencies The rate of data transfer None of these Both a & b A measure of the width of a range of frequencies ANSWER DOWNLOAD EXAMIANS APP
Physics The minimum number of forces to keep a particle in equilibrium is 3 4 2 1 3 4 2 1 ANSWER DOWNLOAD EXAMIANS APP
Physics If the velocity-time graph of a particle is represented by y = mt + c, then the particle is moving with Constant speed Constant velocity Constant acceleration Varying acceleration Constant speed Constant velocity Constant acceleration Varying acceleration ANSWER DOWNLOAD EXAMIANS APP
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