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Ask QuestionPosted by Ritesh Pandey 6 years, 4 months ago
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Posted by Anshika Verma 6 years, 4 months ago
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Sia ? 6 years, 4 months ago

Air is the commonest material through which sound propagates. When a vibrating object, like prongs of tuning fork, move forward, they push the molecules of the air in front of them. This is turn compresses the air, thus creating a region of high pressure and high density called compression. This compression in the air travels forward. When the prongs of the tuning fork move backward, they create a region of low pressure in the air, commonly called rarefaction. This region has low-pressure low density and more volume. As the tuning fork continues to vibrate, the regions of compression in the air alternate with the regions of rarefaction. These regions alternate at the same place. The energy of vibrating tuning fork travels outward. This energy which reaches the ears makes the eardrums to vibrate and thus we hear the sound.
Posted by Sonam Singh 6 years, 4 months ago
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Deep Jain 6 years, 4 months ago
Posted by Jadav Hardeep Jadav 6 years, 4 months ago
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Posted by Shriram Ram 6 years, 4 months ago
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Sia ? 6 years, 4 months ago
Intervene is to take part in something so as to prevent or alter a result or course of events.
Posted by Satendra Singh 6 years, 4 months ago
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Sia ? 6 years, 4 months ago
Hyder Ali was the Sultan and de facto ruler of the Kingdom of Mysore in southern India.
Lokanath Reddy 6 years, 4 months ago
Jadav Hardeep Jadav 6 years, 4 months ago
Jadav Hardeep Jadav 6 years, 4 months ago
Yogita Ingle 6 years, 4 months ago
Hyder Ali:
- Started his career as a soldier in the Mysore Army.
- Soon rose to prominence in the army owing to his military skills.
- He was made the Dalavayi (commander-in-chief), and later the Chief Minister of the Mysore state under Krishnaraja Wodeyar II, ruler of Mysore.
- Through his administrative prowess and military skills, he became the de-facto ruler of Mysore with the real king reduced to a titular head only.
- He set up a modern army and trained them along European lines.
Posted by Asha Bhati 6 years, 4 months ago
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Niharika Kandari 6 years, 4 months ago
Yogita Ingle 6 years, 4 months ago
The biotic factors are referred to the living components of an ecosystem .Their presence or their materials affect the composition of an ecosystem. These materials include all living organisms, like animals, humans, plants, fungi, and bacteria All the interactions will make the difference in survival and reproduction of each species.
Biotic Examples
All living components of an ecosystem, including the producers, consumers, and decomposers or detritivores are considered as the biotic examples.
Posted by Aman Maurya 6 years, 4 months ago
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Yogita Ingle 6 years, 4 months ago
Hydrogen is the lightest element in the periodic table. Its atomic number is 1. It was discovered by Henry Cavendish in the 18th century.
Posted by Shankar Shankar 6 years, 4 months ago
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Nishihoney Lodha 6 years, 4 months ago
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Malti Singh 6 years, 4 months ago
Posted by Khushboo Kurrey 6 years, 4 months ago
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Yogita Ingle 6 years, 4 months ago
Types of Viruses In Biology
Based on the type of host, three types of viruses have been identified:
- Animal viruses: These viruses infect by invading the cells of animals, including humans. Prominent examples of animal viruses include the influenza virus, mumps virus, rabies virus, poliovirus etc.
- Plant viruses: These viruses infect plants by invading the plant cells. Well-known examples of plant virus include potato virus, tobacco mosaic virus, beet yellow virus and turnip yellow virus etc.
- Bacteriophage: The virus which infects bacterial cells is known as bacteriophage. There are many varieties of bacteriophages, such as DNA virus, RNA virus, etc.
Posted by Khushboo Kurrey 6 years, 4 months ago
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Posted by Khushboo Kurrey 6 years, 4 months ago
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Sourabh Sankhla 6 years, 4 months ago
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Konkana Bhattacharjee 6 years, 4 months ago
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Yogita Ingle 6 years, 4 months ago
The Battle of Plassey was fought between the forces of the Nawab of Bengal Siraj-ud-Daulah and the English East India Company, led by Robert Clive. It was fought on 23 June 1757 at Plassey near Murshidabad. A major portion of the 50,000 strong army of the Nawab was controlled by Mir Jafar who was hand in gloves with the British. His men did not join the battle at a crucial time. As a result, the Nawab’s men suffered heavy casualties and he himself left the battlefield after the death of his commander Mir Madan. This was a major blow to the Nawab’s army which was, as a result, easily defeated by the British. Later, the Nawab himself was caught and killed, and Mir Jafar was instituted as the new Nawab of Bengal.
Posted by Evs Sarmila 6 years, 4 months ago
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Aastha ? 6 years, 4 months ago
1Thank You