• The modern women are inclined towards the social issues, and trying hard to improve the social status of women at large.
• Increased awareness and education has inspired women to come out of the four walls of the home. Many woman actively supported and participated in the nationalist movement and secured eminent positions and offices in administration and public life in free India. Traditionally Indian women exist because of the family and for the family.
• Just like their man counterpart, women are also fond of attending social functions and value her social life quite a lot. Previously, men-folk used to discourage women from leaving their households for attending social functions. Now the spread of education, especially that of women, and with that the changing social attitudes of educated women have changed the order.
• The modern woman has started caring for her health, figure, cultural needs and interests, academic pursuits, social intercourse, religious activities recreational needs, etc.

A kaleidoscope is an optical device which creates colourful beautiful patterns due to multiple reflections in plane mirrors. It is a cylinder which has three plane mirrors and loose, colored objects such as beads or pebbles and bits of glass. As the viewer looks into one end, light entering the other end creates a colorful pattern, due to multiple reflection of these objects in the mirrors.

• Spinning jenny was a machine invented by James Hargreaves.
• This machine speeded up the spinning process and reduced labour demand.
• By turning one single wheel a worker could spin several threads at a time.
• The fear of unemployment made the women workers hostile to the introduction of new technology and hence they attacked spinning jenny.

The Baigas, Khonds, Bhils, Van Gujjars, Santhals, Mundas, Nagas and Banjaras are some important tribes of India who by the 19^th century, undertook occupations depending on the topography and the climate of a region.

Surface area of cube = 6a²

6a² = 600
a2 = 100
a = 10 cm
Hence side of cube is 10 cm
 

The tail of a comet is mainly water vapour and other gases. The second tail is is usually dust particles. They point away from the sun because they have virtually no mass and so they stream out away from the sun because of the solar wind (charged particles blasted out in to space by the sun) and the tail always points away from the sun even when the comet is moving away from the sun

• Marginalization is the social process of being confined to a lower social standing. Marginalization involves people being denied their fundamental rights which results in lowering their economic and social status.
• In the social environment , groups of people or communities may have the experience of being excluded.
• Their marginalisation can be because they speak a different language, follow different customs or belong to a different religious group from the majority community.
• They may also feel marginalised because they are poor, considered to be of ‘low’ social status and viewed as being less human than others. Sometimes, marginalised groups are viewed with hostility and fear. 

• The Subsidiary Alliance system was used by Lord Wellesley, who was Governor-General of India from 1798-1805, to build an empire in India.
• Under the system, the allying Indian state's ruler was compelled to accept the permanent stationing of a British force within his territory and to pay a subsidy for its maintenance.
• Also, the Indian ruler had to agree to the posting of a British Resident in his court.
• Under the Subsidiary Treaty, the Indian ruler could not employ any European in his service without the prior approval of the British. Nor could he negotiate with any other Indian ruler without consulting the Governor-General.
• In return for all this, the British agreed to defend the ruler from his enemies and adopt a policy of non-interference in the internal matters of the allied state.
• Subsidiary Alliance brought immense gains for the East India Company by extending the areas under British control and bringing relative peace in subsidies and territory.
• During the seven-year rule of Wellesley alone, over 100 small and big states of India signed the Subsidiary Treaty.

A firm is a business or company, especially a small one.

Example: She works for an electronics firm (company)

The first structure to successfully use the dome was called the Jama Masjid.

In the social environment, groups of people or communities may have the experience of being excluded. This can be because they speak a different language, follow different customs or belong to a different religious group from the majority community. They may also feel marginalised because they are poor, considered to be of ‘low’ social status and viewed as being less human than others. Economic, social, cultural and political factors work together to make certain groups in society feel marginalised.

He is an amateur astronomer and discovered a comet one day. Comet Dutta was going to collide with earth. The scientists decided to change the path of the comet by giving it a push by means of a nuclear blast on the path of the comet and succeeded in doing so, but according to Indrani Debi, the wife of Duttada, the comet did not cause any ill effect because she performed a yajna with the help of Duttada’s grandson, Khoka. This science fiction tells us that we should try to know more and more about the environment around us and the threats therein to our survival because prevention is always better than cure.

The advantages to foreign companies in setting up production in India are following:

(i)They can get cheap labour in India.

(ii)They can spend the least on housing facilities for workers.

(iii)They can cut cost by providing lower working conditions including lower safety measures.

Thus, foreign companies can save costs and earn higher profits.

area of four walls

=2 walls on length of floor+2 walls on breadth of floor

=2(length x height)+2x(breadth x height)

=2(6 x 10)+2(3 x 10)

=2x16 +2 x 30

=32+60=92  m^2