Physics Which of these is not a simple machine? The pulley A pair of scissors A ramp A lever The pulley A pair of scissors A ramp A lever ANSWER DOWNLOAD EXAMIANS APP
Physics The plastic material commonly used for making gear wheels is Polyesters Polystyrene Nylons Bakelit Polyesters Polystyrene Nylons Bakelit ANSWER DOWNLOAD EXAMIANS APP
Physics The reason for a swimming pool to appear less deep than the actual depth is Light scattering Reflection Interference Refraction Light scattering Reflection Interference Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics When light passes from one medium to another, this phenomenon of change in its direction is called ________ Refraction No option is correct Diffraction Propagation Refraction No option is correct Diffraction Propagation ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fibre works on which of the following principle of light? Refraction Diffraction Total internal reflection Reflection Refraction Diffraction Total internal reflection Reflection ANSWER DOWNLOAD EXAMIANS APP