'Percent (%)' means 'out of one hundred': To calculate 20% of number 50 Multiply 50 by 20%, and solve the expression. Where 20% can be written... View Article
As per the definition of parallel lines, “parallel lines always maintain the same distance apart and never touch each other”. How many times can... View Article
Two lines are parallel if the length between two straight lines will be exactly the same at any point and never touch each other. Examples of... View Article
Parallel lines and curves are two different concepts. We can say two curves can be parallel. But can not describe parallel lines as a curve. To... View Article
Let us consider two possibilities here, first is to find at least 2 heads and another is to find the exactly 2 heads in 3 tosses. Case 1: Let A... View Article
Yes. Triangle is a plane shape. A triangle is the first member in the family of polygons. The name is derived from Greek in which the prefix... View Article
Straight line is a one-dimensional figure which has only length, neither width nor height. A straight line is infinite in length. To graph a... View Article
Parabola is defined as a curve that is formed by the locus of a point whose distance from a fixed point and from a fixed line is the same. This... View Article
The cosecant is the reciprocal of the trigonometric function sine. It can be calculated by dividing the hypotenuse by the side opposite a given... View Article
What is Physics? Physics is the scientific study of physical phenomena like the motion of matter of matter and related concepts like energy and... View Article
The value of “pi” is the ratio of the circumference of a circle to its diameter. The approximate value is 3.14159. Pi is denoted by “π” and... View Article
Electric field is the property associated with each point in space when charge is present in any form. Electric field strength is measured in the... View Article
Metals are electropositive because they lose electrons and form positively charged ions. For example, Na, K ,Ca, Mg, loose electrons form... View Article
As per De Broglie hypothesis, all matter has both particle and wave nature. De Broglie wavelength defined the wave nature of a particle as λ =... View Article
The 7th Century Indian Mathematician and astronomer Brahmagupta is the father of arithmetic. Arithmetic is one of the oldest and elementary... View Article
The 'nth' term is a formula used to find the any term of a sequence, where 'n' stands for the term number. For example, if we have to find the... View Article
There's no way to be sure, but anthropologists generally agree that the circle was created long before history was recorded. And, the Greeks... View Article
Magnesium oxide is a simple basic oxide, because it contains oxide ions. It reacts with water to form magnesium hydroxide which is a base.... View Article
The name oxygen was coined in 1777 by Antoine-Laurent Lavoisier. In 1775-1780, he interpreted the various roles of oxygen in combustion and... View Article