The Circle of Reference
The Circle of Reference - The above figure shows a body moving with uniform speed along a circle. Let perpendiculars be drawn from different positions of the body onto any diameter, say the vertical diame..
The Circle of Reference - The above figure shows a body moving with uniform speed along a circle. Let perpendiculars be drawn from different positions of the body onto any diameter, say the vertical diame..Important points
Degree and order of a differential equation How to form a differential equation Types of differential equations and their general solution..
Degree and order of a differential equation How to form a differential equation Types of differential equations and their general solution..Some Important Definitions
Median - In a triangle, a line joining the midpoint of a side to the opposite vertex is called a median. AD is a median of ABC. In any triangle, it can be proved that all the three medians meet at a point. The point where the three medians meet is called the Centroid of the tria..
Median - In a triangle, a line joining the midpoint of a side to the opposite vertex is called a median. AD is a median of ABC. In any triangle, it can be proved that all the three medians meet at a point. The point where the three medians meet is called the Centroid of the tria..Some important results
Given a, b, c and d are non-zero real numbers, we can deduce other proportions by simple Algebra. These results are often referred by the names mentioned along each of the properties obtained. (1) If then bc = ad This property is known as INVERTENDO. (2) If , then ad = bc This property is..
Given a, b, c and d are non-zero real numbers, we can deduce other proportions by simple Algebra. These results are often referred by the names mentioned along each of the properties obtained. (1) If then bc = ad This property is known as INVERTENDO. (2) If , then ad = bc This property is..Importance of Effective Writing Summary
Summary - The steps involved in effective writing are: Do some free writing Limit your topic Write a thesis statement Support your thesis with reasons or points Organize your composition from your thesis Organize each paragraph Write and rewrite Proof read alo..
Some Commercially Important Carboxylic Acids
(i) Methanoic acid [Formic acid HCOOH] - It occurs in a variety of biting and stingins plants and insects. It is manufactured by the reaction of carbomonoxide with sodium hydroxide under pressure at 473 K. Sodium methanoate is obtained which is acidified and distilled to give the aci..
(i) Methanoic acid [Formic acid HCOOH] - It occurs in a variety of biting and stingins plants and insects. It is manufactured by the reaction of carbomonoxide with sodium hydroxide under pressure at 473 K. Sodium methanoate is obtained which is acidified and distilled to give the aci..Some Important Aspects of Doppler Effect
Some Important Aspects of Doppler Effect - When a source moves towards a stationary observer the apparent frequency, according to equation When the observer moves towards a stationary source, the apparent frequency, according to equation In both the cases, the apparent frequency is greate..
Some Important Aspects of Doppler Effect - When a source moves towards a stationary observer the apparent frequency, according to equation When the observer moves towards a stationary source, the apparent frequency, according to equation In both the cases, the apparent frequency is greate..Refer the figure to answer the questions.(i). Are the points B, C and ..
Refer the figure to answer the questions. (i). Are the points B, C and D collinear? (ii). Name any one plane. => (i) yes (ii) plane BAD or (i) yes (ii) plane BDE or (i) no (ii) plane EGF or (i) no (ii) no planes in the figure..
Important distinctions between lithium and other family members
Lithium is the hardest of all the alkali metals. The melting and boiling points of lithium are much higher than those of other elements of Group 1. Lithium is less reactive as compared to other metals and it does not get tarnished readily in air. It forms only monoxide, Li 2 O ..
Lithium is the hardest of all the alkali metals. The melting and boiling points of lithium are much higher than those of other elements of Group 1. Lithium is less reactive as compared to other metals and it does not get tarnished readily in air. It forms only monoxide, Li 2 O ..Some important physical constants of group 15 elements
1 (k.J mo1 -1 ) 1402 1012 947 834 703 IE 2 2856 1903 1798 1594 1610 IE 3 4577 2910 2736 2443 2446 Electronegativity 30 2.1 2.0 1.9 1.9 Melting point (K) 63 317.1 1089 904 544.4 Boiling point (K) 77 553...
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