What was expected?
Keeping the prevailing model in mind (Thomson's 'raisin pudding') the cloud of positive electricity should offer little resistance to the passage of an alpha particle even though the latter is charged. The reasoning is that alpha particles are moving at high speed and have a great amount..
Significance of Uncertainty Principle in Daily Life
It should be borne in mind that the uncertainty is not due to lack of sufficiently refined techniques but it is due to the fact that one cannot observe microscopic things without disturbing them. No instrument can observe the position of an electron without affecting its motion. In ..
Significance of Uncertainty Principle in Daily Life
Significance of Uncertainty Principle in Daily Life - It should be borne in mind that the uncertainty is not due to lack of sufficiently refined techniques but it is due to the fact that one cannot observe microscopic things without disturbing them. No instrument can observe the position ..
b) Spontaneous processes where some initiation is required
(i) Once a reaction between hydrogen and oxygen is initiated by passing electric spark through it, then it occurs itself spontaneously even at room temperature. (ii) In domestic oven, coal (carbon) keeps on burning once initiated ignition (iii) Methane burns with oxygen once ignited. From th..
(i) Once a reaction between hydrogen and oxygen is initiated by passing electric spark through it, then it occurs itself spontaneously even at room temperature. (ii) In domestic oven, coal (carbon) keeps on burning once initiated ignition (iii) Methane burns with oxygen once ignited. From th..Cubic Crystal System with Examples
Calculation of Number of Particles per Unit Cell of a Cubic Crystal System - Calculation of Number of Particles per Unit Cell of a Cubic Crystal System. Keeping the following points in mind we can calculate the number of atoms in a unit cell. An atom at the corner is shared by eight unit ..
Contact Process
>converter . Here the preheated mixture of sulphur dioxide and air form sulphur trioxide. As the reaction is exothermic, the catalyst is heated in the beginning and the temperature is maintained by the heat evolved during the reaction. Initially it is heated to about 450 o C. This is the main chemi..
>converter . Here the preheated mixture of sulphur dioxide and air form sulphur trioxide. As the reaction is exothermic, the catalyst is heated in the beginning and the temperature is maintained by the heat evolved during the reaction. Initially it is heated to about 450 o C. This is the main chemi..Introduction
Humans have always been curious about the world around them. The world has an astonishing variety of materials and bewildering diversity of life and behaviour. The inquiring and imaginative human mind has responded to the wonder and awe of nature in different ways. This human endeavour le..
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