## Clock rule (electromagnetism) | Physics class 10

Clock rule :        Looking at the face of the loop, if the current around that face is in the anticlockwise direction, the face has the north polarity,…

## ICSE mathematics specimen paper 2020 (solved)

The Council for the Indian School Certificate Examinations (CISCE) has launched mathematics specimen paper 2020. This is an official mathematics specimen paper. It is not the actual exam paper. This…

## Applications of genetics | biology class 10

There are two modern applications of genetics: (i) Genetic engineer: Genetic engineering is the technique in which the genetic constitution of an organism is altered by introducing new genes into…

## ICSE specimen paper 2020 (solved)

Check your progress with the latest ICSE solved specimen paper. Student can view or download the paper at Flash Education. Students can use this paper to spot their weak area.…

## How to store a permanent magnet?

Self-demagnetization is the phenomenon by which magnet tends to become weak after some time if their poles are left free. To retain the magnetic property, permanent bar magnets are stored…

## All about Electromagnet | Physics class 9

An electromagnet is a temporary strong magnet made from a piece of soft iron when current flows in the coil wound around it.

## Remainder and Factor theorem | Mathematics class 10

Factor and Remainder theorem Class X > Mathematics > Formula 1.  Remainder theorem If a polynomial f(x) is divided by (x - α) then remainder = f(α) Example: Find the…

## Expansion Formula | Mathematics

Expansion Formula Mathematics > Expansion > Formula (i) (a + b)2= a2 + 2ab + b (ii) (a + b)2 = (a - b)2 + 4ab (iii) (a - b)2= a2…

## Factors affecting photosynthesis | Biology class 10

Factors affecting photosynthesis Class X > Biology > Photosynthesis There are three internal factors and four external factors which affect photosynthesis : Internal factors (i) Chlorophyll - Nutritional deficiencies of…

## What is the minimum distance for echo?

Minimum distance for echo Class x > Physics > Sound If d is the distance between the observer and the obstacle and V is the speed of sound, then the…