Physics In a Laser (say neon laser) all the atoms emit the light waves of Same amplitude Same phase Same frequency All of these Same amplitude Same phase Same frequency All of these ANSWER DOWNLOAD EXAMIANS APP
Physics The audio signals of TV are Amplitude modulated Frequency modulated Unmodulated Velocity modulated Amplitude modulated Frequency modulated Unmodulated Velocity modulated ANSWER DOWNLOAD EXAMIANS APP
Physics Transformer is a device to convert C. to A.C. Low voltage A.C. into high voltage A.C. Low voltage D.C. into high voltage D.C. Mechanical energy into Electrical energy C. to A.C. Low voltage A.C. into high voltage A.C. Low voltage D.C. into high voltage D.C. Mechanical energy into Electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics Night photography and photopraphy in mist and fog are possible using Ultra-violet radiation Microwave radiation Gamma radiation Infra-red radiation Ultra-violet radiation Microwave radiation Gamma radiation Infra-red radiation ANSWER DOWNLOAD EXAMIANS APP
Physics A photostat machine works on Thermal image making Electrostatic image making Magnetic image making Electromagnetic image making Thermal image making Electrostatic image making Magnetic image making Electromagnetic image making ANSWER DOWNLOAD EXAMIANS APP
Physics Fiber optics cable used in communication, works on the principle of Refraction of light Total internal reflection of light Regular reflection of light Diffuse reflection of light Refraction of light Total internal reflection of light Regular reflection of light Diffuse reflection of light ANSWER DOWNLOAD EXAMIANS APP
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