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Yogita Ingle 5 years, 4 months ago
The Roman Empire can be broadly divided into two phase, viz. ‘Early Empire’ and ‘Late Empire’. The period from 27 BCE to the main part of the third century CE is called the early empire. The period after that is called the late empire. Unlike the Iranian Empire, the Roman Empire was much more diverse in terms of territories and cultures. People of this Empire spoke many languages. But Latin and Greek were the most widely used language for the purpose of administration. The upper classes in the east spoke Greek, while those in the west spoke Latin
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Gaurav Seth 5 years, 4 months ago
QUESTION: There are 6 marbles in a box with numbers from 1 to 6 marked on each of them.
(i) What is the probability of drawing a marble with number 2?
aNSWER
Total number of possible outcome = 6
(That is 1, 2, 3, ,4 ,5 and 6)
Find the probability that it is a "2" at the second draw:
There are 5 marbles left after 1 marble is drawn:
Total number of favourable outcome = 1
(That is the number 2)
P(2) = 1/5
Posted by Vanlalini Naunaui 5 years, 4 months ago
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Yogita Ingle 5 years, 4 months ago
Sociology is the study of social life of humans, their groups, and societies. It is important to study sociology in order to understand the society as a whole. It helps us in understanding that how the social systems within the society are interconnected.
The study of origin of sociology is important because it helps us to understand that why this subject and how this subject was originated. It is important to study the origin and growth of sociology to understand the principles and perceptions up on which the subject is developed and based.
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Yogita Ingle 5 years, 4 months ago
The grandmother actually hated music. She was a old lady who was conservative and had her own beliefs and superstitions. She thought that music was only ment for prostitutes and beggars. It was not ment for gentle folk. Music was not ment for school children from respectable families.
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Yogita Ingle 5 years, 4 months ago
Parallax is a displacement or difference in the apparent position of an object viewed along two different lines of sight, and is measured by the angle or semi-angle of inclination between those two lines. Distance between the two viewpoints is called Basis.
Measuring distance of a planet using parallax method

Similarly, α = d/D
Whereα = angular size of the planet (angle subtended by d at earth) and d is the diameter of the planet.αis angle between the direction of the telescope when two diametrically opposite points of the planet are viewed.
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Gaurav Seth 5 years, 4 months ago
We have given,
Mass percent of iron (Fe) =69.9%
Mass percent of oxygen (O)=30.1%
Number of moles of iron present in the oxide =69.90/55.85 =1.25
Number of moles of oxygen present in the oxide=30.1/16.0
=1.88
Ratio of iron to oxygen in the oxide,
1.25:1.88
=1:1.5
=2:3
Therefore the empirical formula of the oxide is Fe2O3.
Empirical formula mass of Fe2O3= [2(55.85) +3(16)]g
Molar mass of Fe2O3=159.69g
Thus, n= Molar mass/Empirical Formula mass =159.69/159.7g
=0.999 = 1(approx.)
Molecular formula of a compound is obtained by multiplying the empirical formula with n. Thus, the empirical formula of the given oxide is Fe2O3 and n is 1.
Hence, the molecular formula of the oxide is Fe2O3.
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Aarohi Singh 5 years, 4 months ago
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