Physics The colour of sky appears blue due to Reflection Scattering of shorter wave lengths Dispersion Refraction Reflection Scattering of shorter wave lengths Dispersion Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics Fibre optics work on the principle of Total internal reflection Scattering of light Optical rotation Total internal absorption Total internal reflection Scattering of light Optical rotation Total internal absorption ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is used for regulated electric supply ? Gun diode Tunnel diode Zener diode Junction diode Gun diode Tunnel diode Zener diode Junction diode ANSWER DOWNLOAD EXAMIANS APP
Physics X-rays region lies between Visible and infra-red region Ultraviolet and visible region Gamma-rays and ultraviolet region Short radio waves and long radio waves Visible and infra-red region Ultraviolet and visible region Gamma-rays and ultraviolet region Short radio waves and long radio waves ANSWER DOWNLOAD EXAMIANS APP
Physics A transformer Converts electrical energy into mechanical energy Converts DC to AC Is used to decrease or increase AC voltage Converts AC voltage to D.C. voltage Converts electrical energy into mechanical energy Converts DC to AC Is used to decrease or increase AC voltage Converts AC voltage to D.C. voltage ANSWER DOWNLOAD EXAMIANS APP