There are 18 groups and 7 periods in the modern periodic table. Down a group: The atomic size and the metallic character of the elements... View Article
The flow of conventional current is from A to B, that is, it's opposite to the direction of flow of electrons. In metals, the electrons with... View Article
How old was Gandhiji when he reached London to become a barrister? 20 years 19 years 21 years 18 years The correct option is ii. 19 years... View Article
Ijaradari system was introduced by Warren Hastings. According to this system, the right to collect revenue was given to the highest bidder. This... View Article
In water purification process, a simple process of reverse osmosis is used for filtering out the impurities and undesirable components. Reverse... View Article
Which is considered a direct entry input device? Light pen Mouse Optical scanner All of these The correct option is iv. All of these An... View Article
The roots of the banyan tree that are used for supporting the tree are known as the prop roots. They act like a pillar giving support to the tree.... View Article
The odd numbers are: 1, 3, 5, 7, 9,....49 The first term is = 1 The common difference is, d = 2 The total no.of terms is, n = 25 Sum = n/2 x... View Article
Insight learning was named by the German psychologist, Wolfgang Kohler. He was studying the behaviour of apes. He conducted simple experiments... View Article