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Tanmay Chandorkar 6 years, 3 months ago
Posted by Neha Sargam 6 years, 3 months ago
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Yogita Ingle 6 years, 3 months ago
Properties of electromagnetic waves
- Electromagnetic waves are transverse in nature as they propagate by varying the electric and magnetic fields such that the two fields are perpendicular to each other.
- Accelerated charges are responsible to produce electromagnetic waves.
- Electromagnetic wave propagation does not require any material medium to travel.
- The inherent characteristic of an electromagnetic wave is its frequency. Their frequencies remain unchanged but its wavelength changes when the wave travels from one medium to another.
- The light vector (also known as the electric vector) is the reason for the optical effects due to an electromagnetic wave.
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Dhanuja Shri 6 years, 3 months ago
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Aditya Mishra 6 years, 3 months ago
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Yogita Ingle 6 years, 3 months ago
S.N |
Characteristics | Chickenpox | Smallpox |
| 1 | Causative Agent | Varicella Zoster Virus (Herpes Virus) | Variola virus (Pox Virus) |
| 2 | Incubation period | 14-21 days | 7-17 days |
| 3 | Severity | Chickenpox is less deadly comparing to small pox. | Smallpox is deadly severe comparing to chicken pox. |
| 4 | Lesions | Lesions first appear on the face or trunk. | Lesions first appear in the throat or mouth, then on the face, or on the upper arms. |
| 5 | Rash Lesions | Lesions develop in successive fashion. While some are new, others are crusting over (in “crops”). | Lesions develop at the same time, and they look alike on any one section of the body, such as the abdomen, arms, or face. |
| 6 | Initial Symptoms | 0 to 2 days of mild illness pass before the rash develops. | 2 to 3 days of severe illness pass before the rash develops. |
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Vyshnavi T P 6 years, 3 months ago
Akash Kumar 6 years, 3 months ago
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Naman Bhatnagar 6 years, 3 months ago
Yogita Ingle 6 years, 3 months ago
Inspite of the Soviet economy growing at a rapid pace after the Second World War, people were growing wary of the Soviet system and began opposing it in later years. This was because of the following reasons:
- Since the state controlled all factors of production, the Soviet system became very bureaucratic and authoritarian making life difficult for the citizens
- Democracy and freedom of speech was denied to the people
- The Communist Party of Soviet Union controlled all institutions and it was not accountable to the people
Mikhail Gorbachev was the General Secreatary of the Communist Party of the Soviet Union in 1985. He believed that reforms were necessary to keep USSR at par with the West. He initiated policies to democratise and reform the Soviet Union. The efforts of Gorbachev to give some degree of autonomy to people in the Soviet Union made people to demand more rights and freedom. They started protesting against their own governments and the communist regimes began to fall one after the other. Boris Yeltsin was a member of the Communist party who gradually began to believe in free market economy and democracy. After the introduction of reforms in Soviet Russia by Gorbachev, a coup took place in Russia encouraged by the Communist Party. Yeltsin vehemently opposed this coup and people too did not want to now live under the communist regime. The coup failed and Yeltsin emerged as a national hero. He won elections in Russia and in December 1991, under his leadership- Russia, Ukraine and Belarus- three major republics of the USSR disbanded the Soviet Union. THis finally led to the disintegration of the Soviet Union.
Akshita Singh 6 years, 3 months ago
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Humaira .. 6 years, 3 months ago
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Sia ? 6 years, 3 months ago
An asana is a body posture, originally a sitting pose for meditation, and later in hatha yoga and modern yoga as exercise, adding reclining, standing, inverted, twisting, and balancing poses to the meditation seats.
Mohmmad Zain 6 years, 3 months ago
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Mohmmad Zain 6 years, 3 months ago
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Posted by K@Łp@N@ $Øđh!?? 6 years, 3 months ago
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Yogita Ingle 6 years, 3 months ago
The molar concentration of human DNA in a human diploid cell is as follows:
⇒ Total number of chromosomes × 6.023 × 1023
⇒ 46 × 6.023 × 1023
⇒ 2.77 ×1018 Moles
Hence, the molar concentration of DNA in each diploid cell in humans is 2.77 × 10 23 moles.
Posted by Megha Jaiswal 6 years, 3 months ago
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