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? K1+k2/k1k2 None K1k2/k1+k2 2k1k2/k1+k2 K1+k2/k1k2 None K1k2/k1+k2 2k1k2/k1+k2 ANSWER DOWNLOAD EXAMIANS APP
Physics The ordinary and maximum tolerance limit of sound by human being is 65 db to 75 db (decibel) 50 db to 70 db (decibel) 60 db to 80 db (decibel) 70 db to 85 db (decibel) 65 db to 75 db (decibel) 50 db to 70 db (decibel) 60 db to 80 db (decibel) 70 db to 85 db (decibel) ANSWER DOWNLOAD EXAMIANS APP
Physics Find the acceleration (in m/s2) of a body which accelerates from 25 m/s to 30 m/s in 10 seconds 1 5.5 11 0.5 1 5.5 11 0.5 ANSWER DOWNLOAD EXAMIANS APP
Physics Formation of shadows can be explained by Reflection Refraction Rectilinear propagation of light Total internal reflection Reflection Refraction Rectilinear propagation of light Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fibres are based on the phenomenon of Total Internal Reflection Diffraction Interference Dispersion Total Internal Reflection Diffraction Interference Dispersion 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 I and II II and III I, II and III I and III I and II II and III I, II and III I and III ANSWER DOWNLOAD EXAMIANS APP
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