Specimen copy of Resonance Distance Learning program for KVPY SA Stream. Visit @ www.edushoppee.com to purchase.Full description
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Analysis of last three years papers of Stream SA of KVPY examination
INTERVIEW QUESTIONS
Specimen copy of Resonance Distance Learning program for KVPY SA Stream. Visit @ www.edushoppee.resonance.ac.in to purchase.
This is the book for KVPY Examination for Physics of Standard 11thFull description
KVPY INTERview BookletFull description
KVPY QUESTION WITHANSWER(22-10-10)
11.
The common tangents to the circle I and II with centres P and Q meet the line joining P and Q at ‘O’ as shown. Given that the length OP = 28 cm and the diameters of I and II are in the ratio r atio 4 : 3. The radius of the circle II is :
3.
The correct representation of H-bond in solid HF (A) H – F
H – F
H – F
F (B*) H
H
H (C) F ( A) 2 c m ( C) 4 c m
( B*) 3 c m (D) 5 cm
(D) None of these Sol.
R
together through hydrogen bonds. Thus, hydroO
P
gen fluoride molecule is represented as (HF)n.
Q
In the liquid or gaseous state, the chain how-
U
ever, becomes linear.
T
Sol.
Let PR = r1 = 4r QS = r 2 = 3r PR || SQ So, by BPT
2.
tomerism 4.
OQ 3 = 28 4 OQ = 21 cm PQ = OP – OQ = 7cm PQ = r1 + r 2 = 7 4r + 3r = 7 7r = 7 r = 1. r 2 = 3r = 3 cm.
The moment of inertia of a solid disc made of thin metal of radius R and mass M about one on e of MR 2 its diameter is given by . What will be the 4 moment of inertia about this axis if the disc is folded in half about this diameter ?
Sol.
In amine, the nitrogen is sp3 hybridised and in amide the nitrogen is sp2 hybridised due to tau-
OQ SQ = OP PR
In the solid state, hydrogen fluoride consists of long zig-zag chains of molecules associated
S
Sol.
F
MR 2 (A) 8
MR 2 (B) 2
MR 2 (C*) 4
(D) MR2
No change in moment of inertia
The stage at which cytokinesis begins in lant cells is : (A*) Anaphase