Physics Which of the following is the fastest communication channel? Optical fiber Microwave All are operating at nearly the same propagation speed Radio wave Optical fiber Microwave All are operating at nearly the same propagation speed Radio wave ANSWER DOWNLOAD EXAMIANS APP
Physics In which of the following processes is energy released ? Photosynthesis Absorption Respiration Ingestion Photosynthesis Absorption Respiration Ingestion ANSWER DOWNLOAD EXAMIANS APP
Physics Metals are good conductors of electricity because: They contain free electrons. The atoms are lightly packed. All of these They have high melting point. They contain free electrons. The atoms are lightly packed. All of these They have high melting point. ANSWER DOWNLOAD EXAMIANS APP
Physics Fiber optics cable used in communication, works on the principle of Regular reflection of light Total internal reflection of light Diffuse reflection of light Refraction of light Regular reflection of light Total internal reflection of light Diffuse reflection of light Refraction of light ANSWER DOWNLOAD EXAMIANS APP
Physics Heat energy is transferred by conduction whenever molecules Collide each other Means of photons All of these Particles replaces there places Collide each other Means of photons All of these Particles replaces there places ANSWER DOWNLOAD EXAMIANS APP
Physics If a barometric reading is falling, this usually indicates what No pressure Increasing pressure None Decreasing pressure No pressure Increasing pressure None Decreasing pressure ANSWER DOWNLOAD EXAMIANS APP
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