Q. 2. (a) Define ceramic and nano-ceramic materials. Why the nano-ceramics show better properties than their ceramic counterparts? Write the applications of ceramic materials. (b) What is ‘Black Hole’? How black holes are formed and discovered? (c) Write two applications of each of the following electromagnetic radiations: (i) Ultraviolet (ii) Infra-red (iii) Microwaves (iv) Radio waves (v)...
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