greek letters

Which of the following statement(s) is/are true? I. The population mean is represented by the Roman letter X ‾ . The sample mean is represented by the Greek letter μ . II. The measures that determine the spread of the data values are called measures of dispe..

The number of waves, which pass through a given point in one second is known as frequency. It is denoted by the Greek letter n (nu). The unit of frequency is cycle per second or simply reciprocal second (s - 1 ). A cycle is said to be completed when a wave consisting of one ..

The Greek letter S (read as sigma) denotes the sum. When written before the n t h term of series, implies, the sum of all terms obtained by giving to n the different values 1,2,3..

Water potential is regarded as the tendency of water to leave a system. It is often used while explaining the direction in which water flows from one cell to another or from one part of the plant to another e.g., from soil to root, from root to leaves, from leaf to air or from soil to air. Water po..

Since carboxylic acids are amongst the earliest organic compounds to be isolated from nature, a large number of them are known by their common names. The common names end with the suffix-ic acid and have been derived from Latin or Greek names of their natural sources. For e.g., form..

The Greek letter S (read as sigma) denotes the sum. When written before the n t h term of series, implies, the sum of all terms obtained by giving to n the different values 1,2,3n. Thu..

Dipole Moment - A Measure of Degree of Polarity - Molecules having two equal and opposite charges separated by certain distance are said to possess an electric dipole. In the case of such polar molecules, the centre of negative charge does not coincide with the centre of positive charge. The extent..

Sigma Notation - The Greek letter S (read as sigma) denotes the sum. When written before the n t h term of series, implies, the sum of all terms obtained by giving to n the different values 1,2,3n. Thu..

Nomenclature - Since carboxylic acids are amongst the earliest organic compounds to be isolated from nature, a large number of them are known by their common names. The common names end with the suffix-ic acid and have been derived from Latin or Greek names of their natural sources. For e..

Other ring substituted aromatic aldehydes are derivatives of benzaldehyde is ortho-hydroxy benzaldehyde. The trivial names of aldehydes are derived from the trivial names of the corresponding carboxylic acids by replacing the ending ic, for acid with aldehyde. The positions of the substituents in t..