Physics What is the reason for formation of Mirage in desert? Total internal reflection of light Reflection of light Both Refraction and Total internal reflection of light Refraction of light Total internal reflection of light Reflection of light Both Refraction and Total internal reflection of light Refraction of light ANSWER DOWNLOAD EXAMIANS APP
Physics The purpose of choke in a fluorescent lamp is : To decrease the resistance Ro decrease the voltage momentarily To decrease the current flow To increase the current flow To decrease the resistance Ro decrease the voltage momentarily To decrease the current flow To increase the current flow ANSWER DOWNLOAD EXAMIANS APP
Physics Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in 4.2 seconds 4.2 years 42 seconds 42 years 4.2 seconds 4.2 years 42 seconds 42 years ANSWER DOWNLOAD EXAMIANS APP
Physics The blue colour of sky is due to Reflection of sunlight Scattering of shorter wavelengths of sunlight in the atmosphere Scattering of longer wavelengths of sunlight in the atmosphere Refraction of sunlight Reflection of sunlight Scattering of shorter wavelengths of sunlight in the atmosphere Scattering of longer wavelengths of sunlight in the atmosphere Refraction of sunlight ANSWER DOWNLOAD EXAMIANS APP
Physics The sky appears blue due to None of these Mie scattering Rayleigh scattering Back scattering None of these Mie scattering Rayleigh scattering Back scattering ANSWER DOWNLOAD EXAMIANS APP
Physics Where is a transistor most likely to be found ? Hearing aid Fuse Fluorescent lamp Wrist watch Hearing aid Fuse Fluorescent lamp Wrist watch ANSWER DOWNLOAD EXAMIANS APP