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Whats wrong with my approach Q15...
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Nlm 1

In the first line of solution, acc of wedge is a and it says ki acc of block relative to wrdge is also a. Can someone explain that.
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Sns

n is a positive integer prove that 2^2n+1 > 1+(2n+1)2^n

Periodic table

Why is c wrong? I feel like both ge and al are valid answers
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Thermodynamics (C)

How do I compare help
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Wedge constraint

Can anyone just confirm the ans ? Im getting some weird ans for a2
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wave optics

for 1st part, it says it falls normally. does that means ki sin theta in dsintheta = d? agar yahi mtlb ha, then what is the question asking, im confused in that. jese when lambda = d/2, n comes out to be 2, so 2+1/2= 3/2 ye to match ni hua kisike...
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Heat/Radiation

Que is simple but im getting stuck in calculation.. what do i even do with that T^4
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Coordination compound

Why ij there pairing? Our sir told us if theres more weak ligands it than strong than weak is considered
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binomial

although i was able to get the ans by congruence modulo... any idea how to do this by binomial theorem? i tried by writing them as 19+4 and 19-4 but did not get anything useful
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Organic

I'm not very sure what this is... I tried SnNGP cuz there's an EDG at a C adjacent to the attack site. The right answer's b...
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friedel-crafts alkylation

Shouldn't both a and d be correct in this? Aniline won't undergo friedel crafts cuz it undergoes what acid base rxn? The given ans is solely d.
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2d motion

I don't get it
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AC

Graph between Z and f im getting is the 2nd graph. But answer kuch aur ha. W ko f ki terms mei likha Z ke formula mein, usse 2nd graph ban raha ha....
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Fluids ;-;

Q52 b part 9m/s^2 acc ke lie height required is 4.5meter but container me height is 3m only? Water kesa shape lega container me ?...
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