Physics The period of revolution of a certain planet in an orbit of radius R is T. Its period of revolution in an orbit of radius 4R will be: 1 T 2 T 8 T 4 T 1 T 2 T 8 T 4 T ANSWER DOWNLOAD EXAMIANS APP
Physics The spring balance works on the principle of ________ . Bernoulli's principle Hooke's Law Pascal's Law Boyle's Law Bernoulli's principle Hooke's Law Pascal's Law Boyle's Law ANSWER DOWNLOAD EXAMIANS APP
Physics A body is initially moving with a velocity of 5 m/s. It undergoes an acceleration of 2 m/s2 for 4 seconds. Find the displacement (in m) of this body in these 4 seconds. 8 72 36 4 8 72 36 4 ANSWER DOWNLOAD EXAMIANS APP
Physics What should a person on a freely rotating turn table do to decrease his (angular) speed ? Bring his hands together Raise his hands up Spread his hands outwards Sit down with raised hands Bring his hands together Raise his hands up Spread his hands outwards Sit down with raised hands ANSWER DOWNLOAD EXAMIANS APP
Physics The motion of a body around a circular path is an example of Uniform speed, uniform velocity Uniform speed, variable acceleration Uniform speed, variable velocity Uniform velocity, variable acceleration Uniform speed, uniform velocity Uniform speed, variable acceleration Uniform speed, variable velocity Uniform velocity, variable acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics The colour of sky appears blue due to Reflection Refraction Scattering of shorter wave lengths Dispersion Reflection Refraction Scattering of shorter wave lengths Dispersion ANSWER DOWNLOAD EXAMIANS APP
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