iTeachChem

A Study Community for Everyone and Everything. We have weekly sessions on Spirituality, Math and Science! JEE, NEET prep? All doubts are crowdsourced. Hare Krishna!

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iTeachChem

A Study Community for Everyone and Everything. We have weekly sessions on Spirituality, Math and Science! JEE, NEET prep? All doubts are crowdsourced. Hare Krishna!

Join

💭│doubts

💭│ask-ncert

YAWN

5/26/2025

What is the concept behind solving question number 23

Abhi

5/26/2025

Maths Matrices Doubt also related to determinants

I got it B is not equal to null matrix but how is matrix A not equal to null matrix ? A mean (M+N^2) and B means (M-N^2)...

Fusion

5/26/2025

Magnetism doubt

Shouldn't the force be 0 as the loop is closed and therefore, dl vector (displacement vector) is 0 Pls ignore the stuff I have written with the blue pen...

YAWN

5/26/2025

How to solve 11th one with derivation?

YAWN

5/26/2025

How to solve the 20th question

Sephrina

5/26/2025

Electrochem

is my calc wrong or what because here it is getting added but shouldnt it be subtracted ? im getting the ans 1.23V but given one is 1.483V

Abhi

5/26/2025

Sequence and series summation doubt

How to solve it further ?

krsnahere

5/25/2025

Ray Optics

pls help me with this qs

YAWN

5/25/2025

How to solve this mole concept question conceptually?

Question no 58

Aetherfly

5/25/2025

electrostats

is this qn correct?

Real potato

5/24/2025

Oscillation

The time period doesnt depend on mass so it must remain constant na?

@Baruah_A

5/24/2025

Photoelectric effect

Why is it said that photocurrent doesn't depend on frequency of incident photon in photoelectric effect. Photocurrent should depend on frequency because, more the frequency, more is the kinetic energy of the emitted electron, and hence the electron will reach the collector plate from the emission plate much faster, which ultimately increases current by reducing the time taken to travel "at zero potential"(or can it be at any potential, i don't think so, right?!)?? Plz clarify and explain in dept...

Abhi

5/24/2025

Monoticity doubt

First case is increase and second one is strictly increasing. Please explain the difference in the graph curve.

Abhi

5/23/2025

Maths Matrices doubt involves permutation

Ik the answer. But don't understand how to generalize the formula for (b) part upper triangle matrice

Akshat

5/23/2025

Organic

the naoh and ethyele gylcol step 😦

Nephilim

5/23/2025

Trigonometric inequality

someone said I should try jensen but even then I'm not getting the result

Akshat

5/23/2025

Organic

hardcoreisdead

5/23/2025

Ei rxn

1. why doesnt Ei rxn take place 2. why does phenyl shift take place instead of methyl...

Kavy jain

5/23/2025

Capacitor

If the parallel plane capacitor is charged and then battery is disconnected and the plated moved farther apart then why electrostatic energy of capacitor increases

@Baruah_A

5/22/2025

Set theory

A group of "40" students appeared in an examination of "3" subjects - Mathematics,Physics and Chemistry.It was found that all students passed in atleast one of the subjects,"20" students passed in Mathematics,"25" students passed in Physics,"16" students passed in Chemistry,atmost "11" students passed in both Mathematics and Physics,atmost "15" students passed in both Physics and Chemistry, atmost "15" students passed in both Mathematics and Chemistry.The maximum number of students passed in all the three subjects is_?? Hey! Can anyone please explain me the logic behind solving the question, coz there are a couple of videos on youtube on this, but I couldn't understand from any them so to speak😞...

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iTeachChem

A Study Community for Everyone and Everything. We have weekly sessions on Spirituality, Math and Science! JEE, NEET prep? All doubts are crowdsourced. Hare Krishna!

iTeachChem

A Study Community for Everyone and Everything. We have weekly sessions on Spirituality, Math and Science! JEE, NEET prep? All doubts are crowdsourced. Hare Krishna!