Physics What is the effective resistance (in Ω) of two resistors 20 Ω and 30 Ω connected in parallel? 36 24 12 50 36 24 12 50 ANSWER DOWNLOAD EXAMIANS APP
Physics When a stone is thrown in the calm water of a pond the waves produced on the surface of water in the pond are Waves are not produced Transverse Longitudinal Both longitudinal and transverse Waves are not produced Transverse Longitudinal Both longitudinal and transverse ANSWER DOWNLOAD EXAMIANS APP
Physics Why is weightlessness experienced while orbiting the earth in space ships ? Zero gravity Acceleration None of these Inertia Zero gravity Acceleration None of these Inertia ANSWER DOWNLOAD EXAMIANS APP
Physics Two waves, each of amplitude 1.5 mm and frequency 10 Hz, are travelling in opposite direction with a speed of 20 mm/s. The distance in mm between adjacent nodes is : 2 1.5 1 1.2 2 1.5 1 1.2 ANSWER DOWNLOAD EXAMIANS APP
Physics According to the theory of relativity, which of the following always remains constant ? Velocity of light Time Length of an object Space Velocity of light Time Length of an object Space ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic keepers are used to protect magnets from : Earth's magnetic field Demagnetization due to heating Self-demagnetization Effect of other magnets Earth's magnetic field Demagnetization due to heating Self-demagnetization Effect of other magnets ANSWER DOWNLOAD EXAMIANS APP
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