Physics Photon is the fundamental unit/quantum of Light Electricity Gravitation Magnetism Light Electricity Gravitation Magnetism ANSWER DOWNLOAD EXAMIANS APP
Physics The purpose of choke in a fluorescent lamp is : To increase the current flow To decrease the current flow To decrease the resistance Ro decrease the voltage momentarily To increase the current flow To decrease the current flow To decrease the resistance Ro decrease the voltage momentarily ANSWER DOWNLOAD EXAMIANS APP
Physics What is the phenomenon which established the transverse nature of light ? Reflection Diffraction Polarisation Interference Reflection Diffraction Polarisation Interference ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K? 2k1k2/k1+k2 K1+k2/k1k2 None K1k2/k1+k2 2k1k2/k1+k2 K1+k2/k1k2 None K1k2/k1+k2 ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not caused by atmospheric refraction of light ? Twinkling of stars at night Sun appearing red at sunset Sun appearing higher in the sky than it actually is Sun becoming visible two or three minutes before actual sunrise Twinkling of stars at night Sun appearing red at sunset Sun appearing higher in the sky than it actually is Sun becoming visible two or three minutes before actual sunrise ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbow is produced when sunlight fall on drops of rain. Which of the following physical phenomena are responsible for this? I.Diffusion II.Refraction III.Internal reflection II and III I, II and III I and II I and III II and III I, II and III I and II I and III ANSWER DOWNLOAD EXAMIANS APP
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