Explanation

• Thermometry is the measurement of temperature
• A device used to measure temperature is called a thermometer.
• Common temperature scales are Celsius, Fahrenheit, and Kelvin.
• Temperature indicates how hot or cold a body is.
• The SI unit of temperature is Kelvin (K).

Explanation

Radiant energy is the energy of electromagnetic waves. It is a form of energy that can travel through space. 

For example, we receive the heat from the sun, which is located very far from the earth via radiation. The sun's heat is not transmitted through any solid medium, but through a vacuum. They are short waves.

Explanation

There are three types of lunar eclipse: a total lunar eclipse, a penumbral lunar eclipse and a partial lunar eclipse.

To understand the difference between them, we first need to understand how Earth's shadow works.

Explanation

Explanation

Explanation

Acetic acid (CH3COOH), also called ethanoic acid, the most important of the carboxylic acids. 

Explanation

Pathology is the study of the causes and effects of disease or injury. 

Explanation

Green leafy vegetables and intestinal bacteria are good source of vitamin K

Explanation

Hydrogen is the chemical element with the symbol H and atomic number 1. With a standard atomic weight of 1.008, hydrogen is the lightest element in the periodic table.

Explanation

• Cleavage is a natural plane of weakness in a stone.
• A stone tends to split along its cleavage direction.
• Cleavage is caused by the internal structure of the mineral.