Write the following cubes in expanded form: (x−(2/3)y)3
Answer: Given (x – (2/3)y)3 We know the algebraic Identities (a – b)3 = a3 – b3 – 3ab (a... View Article
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Write the names of all planets in the Fig.
Answer: There are numerous planets that revolve around the sun in their own orbits. Our planet is also one of... View Article
Write the rational number that does not have a reciprocal.
Answer: 0(zero) In Maths, reciprocal is simply defined as the inverse of a value or a number. If n is... View Article
Write the rational number that is equal to its negative.
Answer: 0(zero) In Maths, reciprocal is simply defined as the inverse of a value or a number. If n is... View Article
Write the rational numbers that are equal to their reciprocals.
Answer: 1 In Maths, reciprocal is simply defined as the inverse of a value or a number. If n is... View Article
You are provided with a magnetic compass, an empty matchbox, a battery of two cells and connecting wires. Using these objects how will you make a tester for testing an electric circuit? Draw the necessary circuit diagram and explain.
Answer: When current flows through the circuit, the magnetic compass needle deflects. This is due to current’s magnetic effect. The... View Article
You might have noticed that when used for a long time, slippers with rubber soles become slippery. Explain the reason.
Answer: The soles of slippers become smooth after a long period of use. The friction between the sole and the... View Article
You might have observed on a dry day that when you touch the screen of a television or computer monitor (with a picture tube), you get a slight shock. Why does it happen?
Answer: It occurs because the television screen or computer monitor is charged and has static charges accumulated on it, and... View Article
You want to buy a house. Would you like to buy a house having windows but no ventilators? Explain your answer.
Answer: It is not a good idea to purchase a home without ventilators since warm air is lighter than cold... View Article
Write a few lines about: Kulaks
The well to do peasants were known as Kulaks. In 1928, Kulaks were raided by party members, while touring areas... View Article
Write a few lines about: The Duma
Duma was an elected consultative Parliament. Tsar permitted the creation of Duma during the 1905 Revolution. The first Duma was... View Article
Distinguish between Flora and Fauna
The animal species found in a particular period or region is known as Fauna. The plant species found in a... View Article
How is a major policy decision taken?
A democracy needs institutions that take decisions, it needs institutions that implement the decisions taken and it also needs institutions... View Article
Write a few lines about: The Liberals
Liberals did not believe in the idea of a universal adult franchise, in other words they did not want to... View Article
Dalhousie implemented the Doctrine of ___________.
Answer: The right answer is the Doctrine of Lapse. The Doctrine of Lapse was the annexation policy devised by Dalhousie.... View Article
Discuss the mechanisms of the monsoon.
While there is comparatively high pressure around the seas, the Indian landmass experiences low pressure due to differential cooling and... View Article
What is the role of rivers in economy?
From ancient times, major cities have always grown around large rivers across the globe. Examples are London built around Thames... View Article
Write short notes on The Indian Desert
Large areas of Indian desert are covered by Crescent shaped dunes also known as Barchans. Indian desert is an undulating... View Article
Explain the Rise of Commercial Forestry
The British were worried that forests would be destroyed by reckless felling of trees and use of forests by local... View Article
Explain the system of “subsidiary alliance”.
Residents were appointed in Indian states by the British after the Battle of Buxar in 1764. The mandate of the... View Article
