Demo post 2
1.Solid States 1. Which solid state? of the following conditions favours the existence of a substance in the i g temperature Low temperatu High wweak thermal cohesive eergy lorces 2.Which ot the tollowing is not ( Definite and characteristic a characteristic ol heat of fusion. a erystalline solid? (ii sOuopc A particies regular nare U A true solid in periodically the entire Crystal. repeated pattern ol arrangement of constituent 3. Which of the following is uartz Grapite glass (C an amorphous solid? (SiO on fad carbide (SIC) Which ot the lolowing arrangerments shows schernatic algnment ol magnetic OOOO00 OOO000 OOOO00 tn OOOO 5. Which of the lollowing is true about the valtue of relractive index of quartz glass? (0 Same all directions (1) Different in De in measured different directions not ways zero 6. Which of heating the following they statement On become is crystalline not true about amorphous solids? They become may at certain temperature. an Amorph...