Physics On a rainy day, small oil films on water show brilliant colours. This is due to dispersion interference diffraction polarization dispersion interference diffraction polarization ANSWER DOWNLOAD EXAMIANS APP
Physics Alternating current is converted into direct current by a Transformer Dynamo Rectifier Oscillator Transformer Dynamo Rectifier Oscillator ANSWER DOWNLOAD EXAMIANS APP
Physics The threshold frequency is the frequency below which : Photo electric emission is not possible Photo current increases with voltage Photo current decreases with voltage Photo current is constant Photo electric emission is not possible Photo current increases with voltage Photo current decreases with voltage Photo current is constant ANSWER DOWNLOAD EXAMIANS APP
Physics Which sources produce alternating current (AC)? Batteries All of these Solar power plants Hydro-electric generators Batteries All of these Solar power plants Hydro-electric generators ANSWER DOWNLOAD EXAMIANS APP
Physics The base of an electric iron is brightly polished mainly To reduce heat loss by radiation To make it smooth and frictionless To make it more durable To make it rust-proof To reduce heat loss by radiation To make it smooth and frictionless To make it more durable To make it rust-proof ANSWER DOWNLOAD EXAMIANS APP
Physics X–rays are Negatively charged particles None of these Neutral particles Positively charged particles Negatively charged particles None of these Neutral particles Positively charged particles ANSWER DOWNLOAD EXAMIANS APP
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