Physics Rainbow is seen after rain because of hanging molecules of water which act as Slabs Prisms Mirrors Lenses Slabs Prisms Mirrors Lenses ANSWER DOWNLOAD EXAMIANS APP
Physics Ball pen functions on the principle of : Gravitational force Viscosity Surface tension Boyle's Law Gravitational force Viscosity Surface tension Boyle's Law ANSWER DOWNLOAD EXAMIANS APP
Physics Man perceives sound vibrations in the frequency ranges of 11 – 20 Hz 0 – 5 Hz 20 – 20000 Hz 6 – 10 Hz 11 – 20 Hz 0 – 5 Hz 20 – 20000 Hz 6 – 10 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics The electric current in a metal wire is due to the flow of - Holes Protons Ions Electrons Holes Protons Ions Electrons ANSWER DOWNLOAD EXAMIANS APP
Physics When a pail of water is swung in a vertical circle, the water does not fall out at the top of the loop when the speed is Below a certain minimum value irrespective of amount of water in the pail Above a certain minimum value depending on amount of water in the pail Below a certain minimum value depending on amount of water in the pail Above a certain minimum value irrespective of amount of water in the pail Below a certain minimum value irrespective of amount of water in the pail Above a certain minimum value depending on amount of water in the pail Below a certain minimum value depending on amount of water in the pail Above a certain minimum value irrespective of amount of water in the pail ANSWER DOWNLOAD EXAMIANS APP
Physics If a barometric reading is falling, this usually indicates what Increasing pressure None No pressure Decreasing pressure Increasing pressure None No pressure Decreasing pressure ANSWER DOWNLOAD EXAMIANS APP