Physics Purpose of an optical filter is to Reflect lights of different colours Transmit or absorb light of different colours Refract light of different colours Dispense light into component colours Reflect lights of different colours Transmit or absorb light of different colours Refract light of different colours Dispense light into component colours ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of magnetic permeability is Henry/meter Weber Weber/meter Henry Henry/meter Weber Weber/meter Henry ANSWER DOWNLOAD EXAMIANS APP
Physics A good conductor while carrying current is Electrically neutral Alternately charged positive and negative Negatively charged Positively charged Electrically neutral Alternately charged positive and negative Negatively charged Positively charged ANSWER DOWNLOAD EXAMIANS APP
Physics The best material for the core of a transformer is Hard steel Soft iron Stainless steel Mild steel Hard steel Soft iron Stainless steel Mild steel ANSWER DOWNLOAD EXAMIANS APP
Physics Conversion of sound energy into electrical energy is done by Gramophone Solar cell Microphone Loudspeaker Gramophone Solar cell Microphone Loudspeaker ANSWER DOWNLOAD EXAMIANS APP
Physics A small drop of oil spreads over water because : Oil has a higher surface tension Water has a higher surface tension Oil has a higher viscosity Water has a higher viscosity Oil has a higher surface tension Water has a higher surface tension Oil has a higher viscosity Water has a higher viscosity ANSWER DOWNLOAD EXAMIANS APP