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!
JoinLimits and Derivatives
question and my approach im sick of this
imagine getting stuck on the first question ðŸ˜...
Atoms Doubt
The question is as follows:
A platinum surface having work function 5.63 eV is illuminated by a monochromatic source of 1.6 x 10^15 Hz. What will be the minimum wavelength associated with the ejected electron.In the solution, they have used K.E. of electron=hc/lambda which shouldn't be correct as this relation is for pure waves, where rather rest mass is zero, so they should have solved it by h/sqrt(2m(K.E.)) Am I correct?...
Thermal Properties of Matter Caloriemetry water equivalent eh?????
what does it mean by water equivalent??? is it just mass??? also how would i do this??
[Units & Dimensions] Measuring Distances Using Parallax
Am I right in thinking that in this example I've drawn here, while measuring shift in position of the star X (which I've denoted here by 2θ) using the photographs we click 6 months apart, we are able to take the far-away stars as stationary points of references which is where "parallax" is coming into play? I'm sorry if there are any inaccuracies in the example or what I've said, please point them out to me. IDK astrophysics and stuff, and only wanted to be clear about the parallax stuff for now...
Dual Nature class 12
So answer key says that momentum is same because as per debroglie, lambda=h/mv
But why cant we say that energy: E=hc/lambda, and since wavelength is same energy is same, option (d)?...
JA 2024 PHY + solved
In this when we conserve angular momentum of bigger disc, why don't we add mr^2 (due to small disc) while writing moment of inertia of big disc, as the small disc is attached to the big disc
(+solved @Aviationforce )...
Physics (coulumbs law) doubt
Isme why have we integrated with integral limits from 0 to q. Kyuki ring hai toh -q to q nhi karna chahiye integrate?
Thermal Expansion Overflown Volume to Change in Temp.
was going thru a Revision checklist where he mentioned that we can calculate the rise in temprature of the system by measuring the weight of the overflown but he didnt explain how
any ideas on how it can be done???
just to clear stuff up volume overflown(deltaV) here is just the diffrence of change in volume of Liquid and change of colume of container...
