Physics Who gave black hole theory? Stephen Hawking Isaac Newton Albert Einstein None of these Stephen Hawking Isaac Newton Albert Einstein None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Red light is used for signals because it has Long wavelength High intensity Low refraction in the medium High frequency Long wavelength High intensity Low refraction in the medium High frequency ANSWER DOWNLOAD EXAMIANS APP
Physics Pick out the scalar quantity Velocity Pressure Acceleration Force Velocity Pressure Acceleration Force ANSWER DOWNLOAD EXAMIANS APP
Physics If an object is thrown upwards, what will be its velocity, when it reaches its maximum height? 14.7 m/s 20 m/s 0 m/s 4.9 m/s 14.7 m/s 20 m/s 0 m/s 4.9 m/s ANSWER DOWNLOAD EXAMIANS APP
Physics When a detergent is added to pure water, its surface tension Increases Decreases Remains constant Becomes infinite Increases Decreases Remains constant Becomes infinite ANSWER DOWNLOAD EXAMIANS APP
Physics A cyclist leans inwards when he is negotiating a curve so that No frictional force may be produced between the wheels and the axle Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion. His weight may be reduced He may increase his speed No frictional force may be produced between the wheels and the axle Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion. His weight may be reduced He may increase his speed ANSWER DOWNLOAD EXAMIANS APP
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