2. A small sheet of an object is placed in place of picture ‘P’, then also rays of light
are clearly visible on the screen. With which type of object is the sheet ‘P’ made
of?
(a) Opaque (b) Transparent (c) Luminous (d) Illuminous
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Explanation:
Chemical engineering is a branch of engineering which deals with the study of design and operation of chemical plants as well as methods of improving production. Chemical engineers develop economical commercial processes to convert raw material into useful products.
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