Physics Permissible noise level at Residential area during night time is : 75 dB (A) 45 dB (A) 55 dB (A) 80 dB (A) 75 dB (A) 45 dB (A) 55 dB (A) 80 dB (A) ANSWER DOWNLOAD EXAMIANS APP
Physics Dynamo is a device for converting Chemical energy into electrical energy Heat energy into electrical energy Mechanical energy into electrical energy Magnetic energy into electrical energy Chemical energy into electrical energy Heat energy into electrical energy Mechanical energy into electrical energy Magnetic energy into electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics The moment of inertia of a body does not depend upon its Axis of rotation Distribution of mass Angular velocity Form of mass Axis of rotation Distribution of mass Angular velocity Form of mass ANSWER DOWNLOAD EXAMIANS APP
Physics What is the minimum distance (in metres) required to hear an echo? 10 17 13 21 10 17 13 21 ANSWER DOWNLOAD EXAMIANS APP
Physics The mercury and sodium street lamps light up because of : Atomic absorption Atomic emission Electron absorption Electron emission Atomic absorption Atomic emission Electron absorption Electron emission 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