# Archives

## 14 May 2020: The Hindu Analysis

UPSC Current Affairs Preparation: The Hindu Analysis Watch expert analysis of â€˜The Hinduâ€™ dated 14th May 2020. Important news and views to... View Article

## Solve x-2y=0; 3x+4y=20

The linear equations are defined for lines in the coordinate system.Â When the equation has a homogeneous variable of degree 1 (i.e. only one... View Article

## What does slope of distance time graph indicate?

The slope of the distance-time graph indicates speed.Â It is because the slope of a distance-time graph determines the speed of that body, so the... View Article

## Under what conditions ORS is given?

ORS: Oral rehydration solution is given to the person who faces dehydration usually when one has undergone diarrhea, vomiting, sweating, burns,... View Article

## Mention the different Modes of asexual reproduction

The mode of reproduction in which the offsprings are produced by single parent is called asexual reproduction. The offsprings are the exact... View Article

## Divide 1400 into three part such that the 1st part is 2/3 of 2nd part and the ratio between the 2nd and 3rd part is 4:5 . Find each part

Given: 1400 is divided into three parts. 1st part is 2/3 2nd part and the ratio between the 2nd and 3rd part is 4:5 We need to find each... View Article

## What is evaporation?

Answer: Evaporation can generally be defined as a process by which a liquid is transformed into vapour. Evaporation is the process of changing... View Article

## Two conducting wires of the same material and of equal lengths and equal diameters are first connected in series and then parallel in a circuit across the same potential difference. The ratio of heat produced in series and parallel combination would be?

Given that Two conducting wires of the same material and of equal lengths and equal diameters are first connected in series and then parallel in... View Article

## Is matter around us is pure? What is a solution? What is a colloidal solution?

1. The matter around us is not pure. As a pure substance comprises of only a single substance. But the matter around is a mixture of many... View Article

## What precautions do you take while observing the nucleus in cheek cells in the laboratory?

The precautions to be taken while observing the nucleus in cheek cells in the laboratory: The mouth of the person whose cheek is bein taken... View Article

## Describe reaction of carbonic acid with metals

H2CO3 is commonly referred to as carbonic acid. Will see the reaction of carbonic acids with metals Metals: Carbonic acids do not react with... View Article

## Are all atoms same?

Atoms are the smallest individual particle of a matter. Everything in this world are matter and comprises of atoms. But each and every atom is... View Article

## Why can’t virtual image be formed on a screen? How can we practically understand it?

A virtual image cannot be obtained on the screen because the virtual formed on the screen is due to the light rays that do not meet but appear to... View Article

## Benzyl chloride can be prepared from toluene by chlorintion with __________

In toluene, there is no electrophilic center. So by the addition of chlorine oxidation occurs and the free radical substitution reaction takes... View Article

## A man walks 7 km in 2 hours and 2 km in1 hour in the same direction a) What is man’s average speed for the whole journey? b) What is man’s average velocity for the whole journey?

Given: A man walks 7 km in 2 hrsLater he walks 2 km in 1 hour We need to find the average speed and average velocitySolution: We know that... View Article

## Define neuron.

Neurons are the building blocks of the nervous system. It is defined as the specialized cells that help to transmit information to other parts of... View Article

## What is athe function of a tissue?

Tissues are a group of cells. In plants and animals the function of a tissue varies. In plants mainly two kinds of tissues are found: Xylem and... View Article

## What do u mean by cyst formation?

Cyst are pocket like membranes on tissues containing a liquid-like substance grows on the skin in an abnormal manner. These are independent of... View Article

## How biodiversity makes a distinction with biosphere

The biosphere is defined as the global ecological system consisting of all the living organisms and these are protected from human intervention.... View Article

## Write four properties of lines of force

Properties of lines of force: The lines of force start from a positive charge and end at a negative charge They never intersect each other... View Article