Physics Positive feedback is used in Rectifiers Amplifiers Oscillators None of these Rectifiers Amplifiers Oscillators None of these ANSWER DOWNLOAD EXAMIANS APP
Physics The wave of theory of light is based on The inverse square law The laws of refraction Huyghens' principle The laws of reflection The inverse square law The laws of refraction Huyghens' principle The laws of reflection ANSWER DOWNLOAD EXAMIANS APP
Physics The sparkling of a diamond is due to Refraction of light Total internal reflection of light Interference of light Polarisation of light Refraction of light Total internal reflection of light Interference of light Polarisation of light ANSWER DOWNLOAD EXAMIANS APP
Physics Two stones of unequal masses are thrown vertically up with the same velocity. Which of the following will happen? The lighter mass will reach greater height The heavier mass will reach greater height Any of them may reach greater height Both will reach the same height The lighter mass will reach greater height The heavier mass will reach greater height Any of them may reach greater height Both will reach the same height ANSWER DOWNLOAD EXAMIANS APP
Physics Water cannot be used to extinguish fire caused by electric current, because It may cause electrolysis It may cause hydrolysis It may spoil the wiring It may cause electrocution It may cause electrolysis It may cause hydrolysis It may spoil the wiring It may cause electrocution ANSWER DOWNLOAD EXAMIANS APP
Physics If lift is going up with acceleration, the apparent weight of a body is Less than the true weight More than the true weight May be more or less than true weight Equal to the true weight Less than the true weight More than the true weight May be more or less than true weight Equal to the true weight ANSWER DOWNLOAD EXAMIANS APP