Natural Tangent Tables
Natural Tangent Tables - An extract from the natural tangent tables is given below: From the tables find the value of (i) tan 51 o (ii) tan 51 o 18 ' (ii) tan 51 o 23 ' (i) tan 51 o Find angle 51 o on the 'Natural Tangent' table in 'A' group. As there are no ..
Modern periodic table and its features
Main Features of Modern Periodic Table - 1. The modern periodic table is divided into two main categories: (i) Vertical columns called Groups and (ii) Horizontal columns called Periods. 2. There are 18 vertical columns or groups. These are further s..
Main Features of Modern Periodic Table - 1. The modern periodic table is divided into two main categories: (i) Vertical columns called Groups and (ii) Horizontal columns called Periods. 2. There are 18 vertical columns or groups. These are further s..Mendeleev's Periodic Table
'. Elements with similar properties recurred at regular intervals and fell in certain groups or families. The elements in each group were similar to each other in many properties. The elements with dissimilar properties from one another were separated. Mendeleev's periodic table contains ..
Natural Cosine Tables
Natural Cosine Tables - A part of the natural cosine tables is given below: Find from the tables the value of (i) cos 37 o (ii) cos 37 o 42 ' (iii) cos 37 o 45 ' (i) cos 37 o Find 37 o on the 'Natural Cosines' table in 'A' group. As there are no minutes, the ..
Natural Cosine Tables - A part of the natural cosine tables is given below: Find from the tables the value of (i) cos 37 o (ii) cos 37 o 42 ' (iii) cos 37 o 45 ' (i) cos 37 o Find 37 o on the 'Natural Cosines' table in 'A' group. As there are no minutes, the ..Natural Cosine Tables
A part of the natural cosine tables is given below: Find from the tables the value of (i) cos 37 o (ii) cos 37 o 42 ' (iii) cos 37 o 45 ' (i) cos 37 o Find 37 o on the 'Natural Cosines' table in 'A' group. As there are no minutes, the value is read horizontally under t..
A part of the natural cosine tables is given below: Find from the tables the value of (i) cos 37 o (ii) cos 37 o 42 ' (iii) cos 37 o 45 ' (i) cos 37 o Find 37 o on the 'Natural Cosines' table in 'A' group. As there are no minutes, the value is read horizontally under t..Structural Features of the Modern Periodic Table
This table consists of horizontal rows called as 'periods' and vertical columns called as 'groups..
Main Features of Modern Periodic Table
1. There are 18 vertical columns or groups. These are further sub-divided into A and B (groups I to VII), VIII group and zero group. 2. Member of the same group have similar electronic configuration of the valence shell and thus show same valency. 3. Elements of groups IA to ..
Aid to memorise the table for standard angles:
(a) Write 0, 1, 2, 3, 4 over each column as shown above. (b) Divide each number by 4 and take the square root. The values obtained are sine ratios. (c) Write these ratios in reverse order and you obtain the cosine ratios (sin A = cos B if A + B = 90 o ) (d) Divide each sine ratio by cosi..
(a) Write 0, 1, 2, 3, 4 over each column as shown above. (b) Divide each number by 4 and take the square root. The values obtained are sine ratios. (c) Write these ratios in reverse order and you obtain the cosine ratios (sin A = cos B if A + B = 90 o ) (d) Divide each sine ratio by cosi..Find the missing number in column A.AB484...5726847
Find the missing number in column A. A B 48 4 ... 5 72 6 84 7 => 60 or 58 or 70 or 55..
Find the missing number in column B.AB189336--5412972147
Find the missing number in column B. A B 18 93 36 -- 54 129 72 147 => 111 or 125 or 150 or 145..
Result
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