Physics A soap bubble shows colours when illuminated with white light. This is due to Interference Polarisation Diffraction Reflection Interference Polarisation Diffraction Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics The purpose of choke in a fluorescent lamp is : To decrease the resistance To increase the current flow To decrease the current flow Ro decrease the voltage momentarily To decrease the resistance To increase the current flow To decrease the current flow Ro decrease the voltage momentarily ANSWER DOWNLOAD EXAMIANS APP
Physics No current will flow between two charged bodies if they have the same Potential Charge Resistance Charge/ potential ratio Potential Charge Resistance Charge/ potential ratio ANSWER DOWNLOAD EXAMIANS APP
Physics A bird sitting on a high tension electric wire does not get electrocuted because It does not form a closed path for the flow of current It has high resistance The body is earthed Its feet are good insulators It does not form a closed path for the flow of current It has high resistance The body is earthed Its feet are good insulators ANSWER DOWNLOAD EXAMIANS APP
Physics Eclipses occur due to which optical phenomena? Refraction Reflection Diffraction Rectilinear propagation Refraction Reflection Diffraction Rectilinear propagation ANSWER DOWNLOAD EXAMIANS APP
Physics A NOT gate can be implemented by: A single resistor A single diode A single transistor Two diodes A single resistor A single diode A single transistor Two diodes ANSWER DOWNLOAD EXAMIANS APP