Physics Golden view of sea shell is due to Dispersion Reflection Diffraction Polarization Dispersion Reflection Diffraction Polarization ANSWER DOWNLOAD EXAMIANS APP
Physics Oil rises up the wick in a lamp because Of the capillary action phenomenon Oil is very light Of the diffusion of oil through the wick Of the surface tension phenomenon Of the capillary action phenomenon Oil is very light Of the diffusion of oil through the wick Of the surface tension phenomenon 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? K1+k2/k1k2 2k1k2/k1+k2 None K1k2/k1+k2 K1+k2/k1k2 2k1k2/k1+k2 None K1k2/k1+k2 ANSWER DOWNLOAD EXAMIANS APP
Physics Radiocarbon is produced in the atmosphere as a result of Lightning discharge in atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. Lightning discharge in atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. ANSWER DOWNLOAD EXAMIANS APP
Physics The threshold frequency is the frequency below which : Photo current increases with voltage Photo current decreases with voltage Photo current is constant Photo electric emission is not possible Photo current increases with voltage Photo current decreases with voltage Photo current is constant Photo electric emission is not possible ANSWER DOWNLOAD EXAMIANS APP
Physics If velocity is constant then acceleration is what? Increasing Zero Infinite Constant Increasing Zero Infinite Constant ANSWER DOWNLOAD EXAMIANS APP
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