Physics In case of uniform circular motion, the acceleration is Constant in magnitude and directed radially inwards Variable in magnitude but constant in direction Zero Variable in magnitude but tangential to the circle Constant in magnitude and directed radially inwards Variable in magnitude but constant in direction Zero Variable in magnitude but tangential to the circle ANSWER DOWNLOAD EXAMIANS APP
Physics What is the minimum velocity required for a rocket to overcome earth's gravity and travel into space? 18 km/sec 35 km/sec 11.2 km/sec 21 km/sec 18 km/sec 35 km/sec 11.2 km/sec 21 km/sec ANSWER DOWNLOAD EXAMIANS APP
Physics Which has the lowest albedo? Both A & B Light surfaces None of these Dark surfaces Both A & B Light surfaces None of these Dark surfaces ANSWER DOWNLOAD EXAMIANS APP
Physics If a boy sitting in a train, which is moving at a constant velocity, throws a ball straight up into the air, the ball will None of these Fall behind him Fall in front of him Fall into his hand None of these Fall behind him Fall in front of him Fall into his hand ANSWER DOWNLOAD EXAMIANS APP
Physics Light beam which is highly directional is called: Maser Eraser Laser Grazer Maser Eraser Laser Grazer ANSWER DOWNLOAD EXAMIANS APP
Physics Optic fibres are used in : CAT scans Endoscopy X-ray photos Ultrasound scans CAT scans Endoscopy X-ray photos Ultrasound scans ANSWER DOWNLOAD EXAMIANS APP