Questions

Fathometer is used to measure the depth of the ocean.

There are approximately 6 trillion miles in a light-year, so the distance we need to go is 6 trillion miles / light-year times. 4 light-years is equal to 24 trillion miles. So, this whole would take 1.2 billion hours. There are 24 hours a day and 365.25 days per year, so this time in years is 137 thousand years.

The four main functions of a computer are ::

1. Input,

2. Processing,

3. Output and

4. Storage

Pine Top Smith (1899-1929) Considered to be the originator of the Boogie -Woogie style of piano playing.

The Qutub Minar in New Delhi was lit up in blue as part of World Autism Day on 2 April.

Paper production is basically a two-step process in which a fibrous raw material is first converted into pulp, and then the pulp is converted into paper. The harvestedwood is first processed so that the fibres are separated from the unusable fraction of the wood, the lignin. Pulp making can be done mechanically or chemically. In the chemical pulping process, alkali (e.g., sodium hydroxide in the form of a lye or caustic soda) is usually used to remove the lignin that binds the fibres. So, for degumming of raw material, caustic soda is used.