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Lesson Posted on 17/05/2021 Learn CBSE Schools
CBSE Class12 math's chapter 3 matrices example 4 & 5
Shoba
I worked as an assistant professor in engineering college, so I had experience in various area Like Handled...
Asked on 20/11/2020 Learn CBSE Schools
Lesson Posted on 15/09/2020 Learn CBSE Schools
Avoid using present continuous tense
Sujata Prasad
I have twenty-two years of experience in the field of education. With a post-graduate MA in English Literature,...
Avoid using present continuous tense in the following contexts:
Verbs of perception: See, hear, recognize, taste, smell etc.
Verbs of emotion: Love, hate, wish, desire, hope, prefer, refuse, etc.
Verbs of thinking: Suppose, think, believe, understand, trust, remember, forget, knowing, etc.
Verbs of possession: Own, possess, contain, etc.
Examples:
I hate to work from home. [Incorrect sentence]
I hate to work from home.
They are lovling each other.[Incorrect sentence]
They love each other.
She is understanding the problem well.[Incorrect sentence]
She understands the problem well.
Hindus are believing in nature worship.[Incorrect sentence]
Hindus belive in nature worship.
My brother is wishing to become a doctor.[Incorrect sentence]
My brother wishes to become a doctor.
I am prefering coffee to tea.
I prefer coffee to tea.
The soup is tasting spicy.[Incorrect sentence]
The soup tastes spicy.
My uncle is owning two houses.[Incorrect sentence]
My uncle owns two houses.
The Sun is rising in the East every day.[Incorrect sentence]
The Sun rises in the East every day.
My uncle is going the US frequently.[Incorrect sentence.]
My uncle goes to the US frequently.
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Lesson Posted on 02/09/2020 Learn CBSE Schools
Priyanka Pawar
I have completed MSC in biotech,PG diploma in clinical research. I am an experienced, qualified tutor...
Cell biology is a branch of biology which deals with the study of cells.
Cells are building blocks of living organisms and fundamental unit.
Organisms are made up of different types of cells, and cells give structure to the organism. So they are known as a structural unit, cells play biological mechanisms for organisms, so they are known as biological units, and cells play different functions to carry out a life of organisms, so they are known as a functional unit.
Cell theory states that cells are building blocks of organisms, and every cell come from the pre-existing cell.
read lessLesson Posted on 07/08/2020 Learn CBSE Schools
Deepika
The 5 special Sounds | The 6 long Vowel Sounds | The 7 Digraphs Sounds | ||||||
1 | oi | oil,toy | 1 | a | made, maid, day | 1 | ch | chip,each, much,future |
2 | ow | cow, pouch | 2 | e | feet, bean, me, eat, | 2 | sh | fish,dish,ship,shop |
3 | oo | book, pull | 3 | i | cry,pie,like,might,type | 3 | th | thing,think,both, thought |
4 | aw | raw, haul | 4 | o | go, snow, boat, home, | 4 | th | the, than, this, them, they |
5 | zh | vision,treasure | 5 | u | feud, music, cube, recuse | 5 | wh | what, when, white, whale |
6 | oo | few, blue,soup | 6 | ng | king, wing, sing, ring | |||
7 | nk | bunk | ||||||
Lesson Posted on 04/08/2020 Learn CBSE Schools
Relations and Functions: Class 12
Shikha Yadav
An educator with a passion for teaching Mathematics and Computer Science. With an impressive 18 years...
Relation: A relation, R, from a non-empty set A to another non-empty set B, is mathematically defined as an arbitrary subset of the cartesian product of A and B.
Domain, Range and Co-domain of the Relation
Types of relations:
Types of Intervals:
Function: Function is a relation for which each value from set the first component of the ordered pair is associated with exactly one value from the set of second components of the ordered pair.
Important functions
type of functions
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Lesson Posted on 24/07/2020 Learn CBSE Schools
Vidyaprabha K
I am a postgraduate with B.Ed in Maths.I have 16 years teaching experience. I worked in Bhutan, Tirupur...
You have seen different types.of numbers in the earlier classes
Eg Natural numbers, whole numbers, integers etc
When you want to divide a.pizza into 8 equal parts, each person get 1/8 of it. So we need numbers in fractional form.
A number that can be written in the form of p/q where p and q are integers and q shoul.not be equal to zero .( since division with zero is not defined yet)
read lessLesson Posted on 24/06/2020 Learn CBSE Schools
Meghana
Hi there! I've completed B.E and Executive MBA. I've earned a Business English Certificate (BEC) too,...
Lesson Posted on 16/06/2020 Learn CBSE Schools
Satya Narayan Yadav
I am an experience,qualified teacher ,8 year experience in teaching math physics and chemistry,mostely...
Question 1: What is the difference Between CO2 and SiO2, hybridization both?
Answer 1: co2 is the gas, while sio2 is the glass
Due to c atomic number 6, an electronic configuration is 1s2, 2s2 2p2
In carbon atom not have d-orbital, and it has 2-sigma Bond and 2-π Bond. So its hybridization is SP, % of s character is 50%, and %of p character 50%. in CO2, have two π-bond, due to π-bond weak Bond. So carbon dioxide is gas and Sio2 is glass because si z= 14 electronic configuration is 1s2, 2s² 2p6, 3s², 3p², 3rd shell have present d- orbital, so it has ( SiO2 ) 4-sigma Bond, sigma Bond is the strong Bond compare π-bond, Co2 is the gas and SiO2 is the glass. Hybridization is sp3.
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Answered on 20/03/2020 Learn CBSE Schools
Charlie
It actually depends on the fact of the physical area, but if that factor is changes to a non-directional object such as a rug spread on the floor, you can call the area or a region as a scalar. Having said that, if the object is of a small loop that is a flow meter as in measuring the amount of water passing per second, then under that circumstance, it can be treated as a vector.
Another example to explain this is if A Guy wants to find the area of his house, then in that context Area is Scalar. He would not want to know the direction of his home, which is illogical and in this context are cannot be vector
Hope this helps
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