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Ask QuestionPosted by Akshjot Sandhu 5 years, 4 months ago
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Posted by Harsh Sahu 5 years, 4 months ago
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Kunal Dhingra 5 years, 4 months ago
Khush Kaur 5 years, 4 months ago
Yogita Ingle 5 years, 4 months ago
A double decomposition reaction is a type of decomposition reaction in which two constituent reactants interchange positive and negative ions and form two new compounds.
Example
HCl(aq) + NaOH(aq) → NaCl(aq) + HOH(l)
Don Virat 5 years, 4 months ago
Posted by Virender Sharma 5 years, 4 months ago
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Posted by Altaf Ahmad Sofi 5 years, 4 months ago
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Posted by Altaf Ahmad Sofi 5 years, 4 months ago
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Posted by Nk Jha Jha 5 years, 4 months ago
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Gaurav Seth 5 years, 4 months ago
AAA similarity theorem or criterion:
If the corresponding angles of two triangles are equal, then their corresponding sides are proportional and the triangles are similar
In ΔABC and ΔPQR, ∠A = ∠P , ∠B = ∠Q , and ∠C = ∠R then AB PQ = BC QR = ACPRand ΔABC ∼ ΔPQR.
Given: In ΔABC and ΔPQR, ∠A = ∠P, ∠B = ∠Q, ∠C = ∠R.
To prove: AB PQ = BC QR = ACPR
Construction : Draw LM such that PL AB = PM AC .
Proof: In ΔABC and ΔPLM,
AB = PL and AC = PM (By Contruction)
∠BAC = ∠LPM (Given)
∴ ΔABC ≅ ΔPLM (SAS congruence rule)
∠B = ∠L (Corresponding angles of congruent triangles)
Hence ∠B = ∠Q (Given)
∴ ∠L = ∠Q
LQ is a transversal to LM and QR.
Hence ∠L = ∠Q (Proved)
∴ LM ∥ QR
PL LQ = PM MR
LQ PL = MR PM (Taking reciprocals)
LQ PL + 1 = MR PM + 1 (Adding 1 to both sides)
LQ+PL PL = MR+PM PM
PQ PL = PR PM
PQ AB = PR AC (AB = PL and AC =PM)
AB PQ = AC PR (Taking Reciprocals) ............... (1)
AB PQ = BC QR
AB PQ = AC PR = BC QR
∴ ΔABC ~ ΔPQR
Posted by Shahid Hussain 5 years, 4 months ago
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Posted by Shah Anas 5 years, 4 months ago
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Posted by Himanshu Jagne 5 years, 4 months ago
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Yogita Ingle 5 years, 4 months ago
Let a be the amount of air initially Amount of air remaining after 1st pump =a –(a/4)=3a/4
Amount of air remaining after 2nd pump= (3a/4) – (1/4)(3a/4)=9a/16
Amount of air remaining after 3rd pump= (9a/16) – (1/4)(9a/16)=27a/64
So the series is like
a,3a/4,9a/4,27a/64……..
Difference Ist and second term=-a/4
Difference between Second and Third term= -3a/16
So difference is not constant
So it is not Arithmetic Progression
Posted by Sūbrāt Rāy 5 years, 4 months ago
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Khush Kaur 5 years, 4 months ago
Rajkumar Rajkumar 5 years, 4 months ago
Yogita Ingle 5 years, 4 months ago
Diffusion is the net movement of molecules of a substance from a region of their higher concentration to a region of their lower concentration. Net movement means there are more molecules moving in one direction than in the opposite direction.
Example: Opening a bottle of perfume in a room will result in the gradual diffusion of the perfume from the region of higher concentration (the bottle) out into the room. Diffusion will continue until the perfume has a more or less uniform concentration throughout the bottle and room.
Shree Ram 5 years, 4 months ago
Posted by Vansh Mundle 5 years, 4 months ago
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Gaurav Seth 5 years, 4 months ago
- Receptors are the sensing molecules or elements which communicate the signal from a ligand to the cell to elicit specific physiological change.
- They are located in the cells, tissues and help to control all most all the body organs.
- The ligand is the one which binds to the receptor and brings in conformational changes to produce a definite effect on the body’s physiology.
- In general, most receptors have endogenous ligands or biomolecules which can trigger a response.
- Most receptors are named based on their endogenous ligands like serotonin receptors, acetylcholine receptors, opioid receptors.
Posted by Harpreet Kaur 5 years, 4 months ago
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Gaurav Seth 5 years, 4 months ago
(i) A well-known pioneer of mass production was the car manufacturer, 'Henry Ford'. (ii) He adopted an assembly line technique of a slaughter house. (iii) He realized that the 'assembly line' method would allow a faster and cheaper way of producing vehicles. (iv) This method forced workers to repeat a single task mechanically and continuously. (v) This was a way of increasing the output per worker by speeding up the pace of work. (vi) At first, workers were unable to cope with the load of work but Henry Ford doubled the daily wages. (vii) This doubling of daily wages was considered 'best cost-cutting decision' he had ever made. (viii) Later, this system of mass production was followed by many other countries. In the US, with this system, car production rose from 2 millions to above 5 millions.
Posted by Ganesh P 5 years, 4 months ago
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Posted by Priyam Gupta 5 years, 4 months ago
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Posted by Tk Srinidhi 5 years, 4 months ago
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Gaurav Seth 5 years, 4 months ago
Indian National Congress (INC): This is popularly known as the Congress Party. This is one of the oldest parties of the world and was founded in 1885. The Congress Party had played a dominant role in Indian politics at the national and state level for several decades after India’s Independence. Since the first general elections in 1952, the Congress party had been in power continuously till 1977. After that, it came back to power in 1980 and remained till 1989. The Congress Party once again came back to power in 1991 for another five years. Congress Party came back in power in 2004 and completed two terms in office, i.e. ten years.
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Posted by Ankit Dagar 5 years, 4 months ago
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Gaurav Seth 5 years, 4 months ago
Ausable was different from other secret agents in more ways than one. He had a small room in the musty corridor of a gloomy French hotel. It was on the sixth and top floor and it was scarcely the setting for a romantic adventures. He was extremely fat. Inspite of living in Paris for over twenty years, he spoke French and German only passably and had an American accent. Instead of getting messages slipped into his hands by dark eyed beauties he got only telephone call making an appointment. In this ways, he was different from the conventional notion of a spy.
Posted by S Selvam 5 years, 4 months ago
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Posted by Manvi Singh 5 years, 4 months ago
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Gaurav Seth 5 years, 4 months ago
The board reduced the syllabus of all subjects of Class 9th to Class 12th by 30%. This revised syllabus will be applicable for all the exams including internal assessments, periodic tests, pre-boards (for 10th, 12th) and the year-end examinations to be conducted in the current academic session 2020-2021.
CBSE Class 10 English Language and Literature (086) - Deleted portion (Theory):
Grammar
- Use of Passive Voice
- Clauses: Noun, Adverb Clauses of condition and time, Relative
- Prepositions
- FIRST FLIGHT – Text for Class X
Literature
FIRST FLIGHT
- How to Tell Wild Animals
- Trees
- Fog
- Mijbil the Otter
- For Anne Gregory
FOOTPRINTS WITHOUT FEET
- The Midnight Visitor
- A Question of Trust
- The Book That Saved The Earth
Sumaila Ali Choudhary??? 5 years, 4 months ago
Posted by Ratan Kumar 5 years, 4 months ago
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Vansh Mundle 5 years, 4 months ago
Gaurav Seth 5 years, 4 months ago
Federalism is a system of government in which the power is divided between a central authority and various constituent units of the country.
Features of Federalism
• There are two or more levels of government.
• Different tiers of government govern the same citizens, but each government have power independent of the other.
• The fundamental provisions of the constitution cannot be changed by one level of government.
• The judiciary prevents conflict between centre and regional government in the exercise of their powers.
• Sources of revenue for each level of government are clearly specified to ensure its financial autonomy.
Posted by Nimit Chhabra 5 years, 4 months ago
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Posted by Krishna Gond 5 years, 4 months ago
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Posted by Confusion ??? Master ??? 5 years, 4 months ago
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Aman Kumar 5 years, 4 months ago
Posted by Confusion ??? Master ??? 5 years, 4 months ago
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Abhishek Sardiwal 5 years, 4 months ago
Posted by Confusion ??? Master ??? 5 years, 4 months ago
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Dheeraj Bhiwale 5 years, 4 months ago
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Deepa S 5 years, 4 months ago
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Tk Srinidhi 5 years, 4 months ago
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Yogita Ingle 5 years, 4 months ago
3Thank You