bell system 24

Question: What are the three types of nerves? Answer: The three types of nerves are: 1) Sensory nerves or the receptor nerves - They are made up of only sensory neurons. For example, the cranial nerves that conduct impulses from the organs to the central nervous system. 2) Mot..

Question: Find the distance between the following pairs of points. [Each 2 Mark] (i) (2, 4), (6, 1) (ii) (9, -13), (2, 11) (iii) (7, -2), (-8, 6) (iv) (5, 1), (5, -4) Answer: (i) Distance between two points A and B given by the formula, A(x 1 , y 1 ), B(x 2 , y 2 ) Let A(x 1 , ..

Question: The co-ordinates of A, B and C are (6, 3), (-3, 5) and (4, -2) respectively and P is any point (x, y). Show that the ratio of the areas of triangles PBC and ABC is . [2 Mark] Answer: = ..

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 e..

D is (1, -2). C divides PQ in the ratio 2:3. C is (2,-4). B divides PQ in the ratio 3:..

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 cells. Hence an atom at the corner contributes 1/8 to the unit cell ..

Solve the linear system. 6 x + y = - 174 --- (1) 9 x - 8 y = 24 --- (2) => (- 24, -30) or (26, -28) or (24, -29) or (25, -28)..

Solve the linear system. - 5 x - 3 y = -24 7 x + 6 y = 39 => (- 3, 3) or (- 3, - 3) or (3, 3) or (3, - 3)..

Solve the system of equations by using an inverse matrix. 125 x - 24 y = - 625 26 x - 5 y = - 130 => (- 5, 1) or (5, 0) or (0, - 5) or (- 5, 0)..

Identify the graph that represents the system of linear equations. - x + 2 y = 6 x + 4 y = 24 => Graph 4 or Graph 3 or Graph 2 or Graph 1..