Physics Fiber optics cable used in communication, works on the principle of Total internal reflection of light Diffuse reflection of light Regular reflection of light Refraction of light Total internal reflection of light Diffuse reflection of light Regular reflection of light Refraction of light ANSWER DOWNLOAD EXAMIANS APP
Physics Which phenomenon is responsible for the echo of sound wave? Polarisation Refraction Interference Reflection Polarisation Refraction Interference Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics The absorption of ink by blotting paper involves: Viscosity of ink Siphon action Diffusion of ink through the blotting Capillary action phenomenon Viscosity of ink Siphon action Diffusion of ink through the blotting Capillary action phenomenon ANSWER DOWNLOAD EXAMIANS APP
Physics Which physicists is the writer of the book 'A Brief History of Time'? Stephen Hawking Albert Einstein Isaac Newton Hans Bethe Stephen Hawking Albert Einstein Isaac Newton Hans Bethe ANSWER DOWNLOAD EXAMIANS APP
Physics A transformer Converts DC to AC Converts electrical energy into mechanical energy Is used to decrease or increase AC voltage Converts AC voltage to D.C. voltage Converts DC to AC Converts electrical energy into mechanical energy Is used to decrease or increase AC voltage Converts AC voltage to D.C. voltage ANSWER DOWNLOAD EXAMIANS APP
Physics Light beam which is highly directional is called: Maser Eraser Grazer Laser Maser Eraser Grazer Laser ANSWER DOWNLOAD EXAMIANS APP
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