यहां होती है Diamond की बारिश | Diamond Rain | Country Facts #Shorts

Graphite is a much better conductor of heat and electricity than diamond. This is due to the fact that each carbon atom in graphite:( ग्रेफ़ाइट ऊष्मा ओर धारा का चालक होता है , क्यों ?)

Sudanshu made a model of the unit cell of diamond. It resembled the unit cell of ZnS. If the unit cell of ZnS has 4 units of ZnS per unit cell. It has the same packing efficiency as ZnS. But diamond is the hardest known substance. (a) What is the number of atoms of carbon per unit cell of diamond? (b) Why diamond is the hardest known substance? (c) What is the value that Sudanshu can derive from these facts?

Statement/ कथन : A very large number of students love dancing in the rain rather than studying in class./ बहुत बड़ी संख्या में छात्रों को कक्षा में पढ़ने के बजाय बारिश में नाचना पसंद है। Conclusion/ निष्कर्ष: l. Rain keeps students healthy./बारिश छात्रों को स्वस्थ रखती है। ll. Dancing is a good Exercise./डांस करना एक अच्छी एक्सरसाइज है।

Three statements are given, followed by three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: I. Some ornaments are diamonds. II. Some diamonds are necklaces. III. All necklaces are rings. Conclusions: I. Some rings are diamonds. II. Some rings are necklaces. III. No ring is diamond.

Radius Ratio and Structure OF Ionic Compounds|| Structure OF NaCl||CsCl|| ZnS||Diamond|| Na2O||CaF2||Class Illustration with Short Tricks

Statement/ कथन : I. Some ornaments are diamonds./कुछ गहने हीरे है। II. Some diamonds are necklaces./कुछ हीरे हार है। III. All necklaces are rings./सभी हार अंगूठी है। Conclusion/ निष्कर्ष: I. Some rings are diamonds./कुछ छल्ले हीरे है। II. Some rings are necklaces./कुछ छल्ले हार है। III. No ring is diamond./कोई अंगूठी हीरा नहीं है।