-
A spherical capacitor has inner and outer radius a,b respectively.The space is suddenly filed with a medium of dielectric constant k=1.The charge on inner plate is +q,outer plate -q.Suddenly,the medium becomes conducting with ...
-
39. A biconvex lens of focal length 15 cm is in front of a plane mirror. The distance between the lens and the mirror is 10 cm. A small object is kept at a distance of 30 cm from the lens. The final image is (A) Virtual and a ...
-
39. A biconvex lens of focal length 15 cm is in front of a plane mirror. The distance between the lens and the mirror is 10 cm. A small object is kept at a distance of 30 cm from the lens. The final image is (A) Virtual and a ...
-
IN A POLAR REGION TEMP. OF ATMOSPHERE HAS FALLEN BELOW 0°C AND IT HAS BECOME -T°C THEN WHICH OF THESE IS/R CORRECT? a>RATIO OF TIME TAKEN IN FORMATION OF ICE ON FREE SURFACE OF THICKNESS FIRST 1 M AND SECOND 1M IS 1:4 B& ...
-
IN A POLAR REGION TEMP. OF ATMOSPHERE HAS FALLEN BELOW 0°C AND IT HAS BECOME -T°C THEN WHICH OF THESE IS/R CORRECT? a>RATIO OF TIME TAKEN IN FORMATION OF ICE ON FREE SURFACE OF THICKNESS FIRST 1 M AND SECOND 1M IS 1:4 B& ...
-
*Image* ...
-
*Image* ek H CHUT GAYA HAI SECOND ME ...
-
*Image* ...
-
*Image* ...
-
Find out total number of moles of phenyl hydrazine used during glucosazone formation from glucose. INTEGER ANS TYPE ...
-
the sum of solution of the equation sinπx=x2-7x+12 is k which can be expressed as the prouct of two prime numbers.the sum of the primes= ...
-
IN A POLAR REGION TEMP. OF ATMOSPHERE HAS FALLEN BELOW 0°C AND IT HAS BECOME -T°C THEN WHICH OF THESE IS/R CORRECT? a>RATIO OF TIME TAKEN IN FORMATION OF ICE ON FREE SURFACE OF THICKNESS FIRST 1 M AND SECOND 1M IS 1:4 B& ...
-
*Image* A SQUARE PACKAGE OF SIDE a AND MASS m MOVES DOWN A CONVEYOR BELT A WITH A CONSTANT VELOCITY V1. AT THE END OF THE CONVEYOR BELT,THE CORNER OF THE PACKAGE STRIKES A RIGID SUPPORT AT B.ASSUMING THE IMPACT IS PERFECTLY E ...
-
*Image* if charge is distributed uniformly in the x-y plane with charge density +(sigma) in 1st quad and -(sigma) in remainig quad then work done in miving a point charge q from (0,0,d) to (0,0,2d) is A) -(sigma)qd/4e B) (sig ...
-
*Image* if charge is distributed uniformly in the x-y plane with charge density +(sigma) in 1st quad and -(sigma) in remainig quad then work done in miving a point charge q from (0,0,d) to (0,0,2d) is A) -(sigma)qd/4e B) (sig ...
-
1..stability of following carbanion can be explained by *Image* a.inductive effect. b.mesomeric effect c.s- character ...
-
*Image* I need ans to Q2,3 only ...
-
*Image* ...
-
A metal ring of mass m and radius R is placed on a smooth horizontal table and is set rotating about its own axis in such a way that each part of the ring moves with a speed v. Find the tension in the ring. ...
-
A particle is restricted to move on x-axis. The particle must be moving towards origin if, A) x\frac{dx}{dt}}<0 B) x\frac{d^{2}x}{dt^{2}}<0 C) (\frac{dx}{dt})(\frac{d^{2}x}{dt^{2}})<0 D) x^{2}\frac{dx}{dt}<0 ...
-
A point particle having a mass m is coming from V under the mutual gravitational attraction of the sphere of radius R , in which a negligibly small hole is made so that the particle may enter . Find the time it takes to reach ...
-
A spherical ball of radius R, is floating in liquid with the half of its volume submerged in liquid. Now the ball is displaced vertically by small distance inside the liquid. Find the frequency of oscillation of ball. (A) π/ ...
-
3 inf. planes(A,B,C) have uniform surface charge distribution σ on its surface.All charges are fixed.On each of 3 inf. planes,parallel tp YZ plane placed at x=-1,x=0,x=a.Find potential diff b/w A and C ...
-
*Image* Ques1) In the above figure, Compound A has two stereoisomers, but compounds B and C exist as single compounds. Explain. Ques2) *Image* The enantiomers of 1,2-dimethylaziridine can be separated even though one of the â ...
-
Q1. The equivalent weight of HNO3 in the reaction 3Cu + 8HNO3 → 3Cu(NO3)2 + 2NO + 4H2O is Q2. What will be the equivalent weight of HCl on the following reaction? K2Cr2O7+14HCl → 2KCl + 2CrCl3 + 3Cl2 + H2O ...
-
Q1. The equivalent weight of HNO3 in the reaction 3Cu + 8HNO3 → 3Cu(NO3)2 + 2NO + 4H2O is Q2. What will be the equivalent weight of HCl on the following reaction? K2Cr2O7+14HCl → 2KCl + 2CrCl3 + 3Cl2 + H2O ...
-
Q1. The equivalent weight of HNO3 in the reaction 3Cu + 8HNO3 → 3Cu(NO3)2 + 2NO + 4H2O is Q2. What will be the equivalent weight of HCl on the following reaction? K2Cr2O7+14HCl → 2KCl + 2CrCl3 + 3Cl2 + H2O ...
-
Q1. The equivalent weight of HNO3 in the reaction 3Cu + 8HNO3 → 3Cu(NO3)2 + 2NO + 4H2O is Q2. What will be the equivalent weight of HCl on the following reaction? K2Cr2O7+14HCl → 2KCl + 2CrCl3 + 3Cl2 + H2O ...
-
*Image* which of the above compound is most readily hydrated ...
-
*Image* I need ans to Q2,3 only ...
