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The latest Messages 17
2021-08-03 01:29:02
#important_Tricks :
Cell cycle - Go Sally Go! Make Children —- G1-S-G2-M-C ( growth-synthesis-growth-mitosis-cytokinesis)
Mitosis— “People Meet And Talk (PMAT)”——-Prophase,Metaphase,Anaphase,Telophase.
Prophase—-Little Zara! Please, Dance Daily.——-Leptotene,Zygotene,Pachytene,Diplotene,Diakinesis.
Meiosis— PMAT
Prophase,Metaphase, Anaphase,Telophase
9 views22:29
2021-08-02 23:23:05
#MOSTimp POINT Electric Field Lines Important One Liners - Physics #NCERT
==============================
Electric field lines always converge at a negative charge and diverge from the positive charge. If a unit positive charge is kept in an electric field, the path of motion of that charge is known as field lines. Now we know that a positive charge is always pushed away by another positive charge. Thus we can find the direction of field lines near a positive charge.
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We know that the electric field at a point is directed towards the tangent of electric field lines at that point. Now if two field lines intersect at a point, two tangents can be drawn at that point. That means at a particular point there would be two separate directions of the electric field which is impossible. So, we can conclude that two electric field lines never intersect each other.
The electric field between two uniformly charged plates is uniform. Electric field lines in the uniform electric field are parallel to each other and uniformly distributed. This phenomenon is observed in most of the parts between the plates. But in the two extreme ends, the field line fringes out due to the non-uniform electric field.
For the phenomenon to happen in practice, both positive charge and negative charge must be present on the same conductor. But as a conductor carries electricity and can never store charge at a localized part, this phenomenon can never occur. Field lines are circular for a current carrying conductor and their direction depends on the direction of the flow of current.
Electric lines of force are always diverging from positive charge and they converge at a negative charge. Besides, they repel each other because of repulsion between two similar charges. They remain parallel to each other in the uniform field but may divert in case of a non-uniform field. These lines are continuously stretched between two opposite charges and always try to maintain minimum length.
Electrical neutral point is a point in between two positive and negative charges, where the electric field intensity is zero. It means that no lines of force pass through that point because electric field lines are the measure of field intensity i.e. more lines mean more field intensity. The lines never converge or diverge. neither they coincide at that point.
62 views20:23
2021-08-02 21:20:33
#imp_physics_formula
211 views18:20
2021-08-02 19:31:55
#imp For #NEET_2021 :
Red Data Book :- This book contains a record of animals & plants which are known to be in
danger. This Book is maintained by the IUCN [International Union for Conservation of Nature and Natural Resources].
Silent Valley :- It is tropical evergreen forest in Kerela (Palghat) declared as National Reserve
Forest. It is called silent valley because there is no noise in the forest during night, even that of
cicadas, as they are not found there. It is related to conservation of forest.
396 views16:31
2021-08-02 19:29:47
#imo FUNCTION OF SERTOLIC CELLS :-
TRICK :- BIMA PENS
1) B- blood testis barrier .
2) I - inhibits hormone secretion (FSH).
3) M- mullerian inhibiting substance .
4) A - androgen binding protein synthesis .
5) P- phagocytosis of dead or abnormal sperm
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6) E - estrogen synthesis .
https://t.me/NEET_RANK_BOOSTER
7) N- nourishment of sperm
8) S - spermiation .
Very important
402 views16:29
2021-08-02 16:24:01
#MOSTimp #ALL #Constants #NCERT
611 views13:24
2021-08-01 17:15:46
#FLUID_MECHANICS : #MINDMAP #oneshot
470 viewsedited 14:15
2021-08-01 17:15:39
#Respiration: #MINDMAP #oneshot
474 viewsedited 14:15
2021-08-01 12:59:13
#Tricks for Conversions in #Organic Chemistry
Haloalkanes can give you every possible functional group. They can also help you in increasing the chain size. So you might want to convert your starting material to haloalkanes and then go to the desired product
Remember the series of oxidation/reduction: Hydrocarbons (with various substituents) can be oxidised to alcohols, then appropriate carbonyl compounds and lastly carboxylic acids (or their derivatives)
Strong oxidizing agents are KMnO4 and K2Cr2O7
Mild oxidising agents depending on the situation are CrO4, Ammoniacal AgNO3, Benedicts Solution, Fehling’s solution, Cu or CuO at 573K, Bromine water etc.
Any carboxylic acid derivative can be converted back to the carboxylic acid by hydrolysis.
There are possibilities of hydride and methyl to get the most stable intermediate (carbocation/free radical)
A most common reaction, if your starting material is an alkane, is free-radical halogenation.
Saytzeff/Markovnikov's rules must be kept in mind while dealing with alkenes (they are based on the electron displacement effects only)
Decarboxylation and ozonolysis could go-to methods for decreasing the number of carbon atoms
Grignard reagent gives you the much-needed Alkyl nucleophile, which can be used at appropriate places.
650 views09:59
2021-07-31 23:43:22
#oneshot Wave Optics
#MindMap
1.0K views20:43
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