Physics Light travels in a straight line (rectilinear propagation of light). This statement does hold if the medium of travel for light is Inhomogeneous and transparent Of variable refractive index Made up of slabs of different refractive indices Homogeneous and transparent Inhomogeneous and transparent Of variable refractive index Made up of slabs of different refractive indices Homogeneous and transparent ANSWER DOWNLOAD EXAMIANS APP
Physics Radiocarbon is produced in the atmosphere as a result of Action of ultraviolet light from the sun on atmospheric oxygen. Lightning discharge in atmosphere. 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. Action of ultraviolet light from the sun on atmospheric oxygen. Lightning discharge in atmosphere. 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 Vehicles use ________ to see the objects coming from behind. Concave lens Concave mirror Convex mirror Convex lens Concave lens Concave mirror Convex mirror Convex lens ANSWER DOWNLOAD EXAMIANS APP
Physics A device used for converting a.c. into d.c. is called Rectifier Transformer Dynamo Induction coil Rectifier Transformer Dynamo Induction coil ANSWER DOWNLOAD EXAMIANS APP
Physics In the process of magnetisation of a bar Only the surface of the bar gets magnetised Only the ends of the bar get magnetised Only some parts of the outer layers of the bar get magnetised The entire bulk of the bar gets magnetised Only the surface of the bar gets magnetised Only the ends of the bar get magnetised Only some parts of the outer layers of the bar get magnetised The entire bulk of the bar gets magnetised ANSWER DOWNLOAD EXAMIANS APP
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