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There is an euiconvex glass lens with radius of each face as R and aμg = 3/2 and aμw = 4/3 . If there is water in object space and air in image space, then the focal length is: A) 2R B) R C) 3 R/2 D) R2 ...

MULTIPLE ANSWER QUESTION 1) A partition divides a container having insulated walls into two compartments 1 and 2 . The same gas fills the two compartments whose initial parameters are given. The partition is a conducting wall ...

There's one serious problem hindering me.....the link given in the homepage of targetiit leads us to a page from where I can verify whether my form has been accepted or not......but that link does not work....so I use the lin ...

Prove that one of the lines represented by ax3+bx2y+cxy2+dy3=0 will bisect the angles between the other two if (3a+c)2(bc+2cd-3ad)=(b+3d)2(bc+2ab-3ad) Source: SL Loney ...

plz explain FERMAT"S law.. and its application ...

Let there be a rod of length l(in a horizontal plane).End B is given a velocity 3m/s at an angle of 60 degrees in horizontal plane(+ve direction). What is he minimum velocity of end A? Ans.1.5 m/s Please provide an explanatio ...

*Image* 1. Key K is connected in turn to each of the contacts over short identical time intervals so that change in charge on capacitor is small. Final charge on cap is: 1)2.5 C 2)5 C 3)0.5 C 2. There is a dielectric rod b/w ...

The spin only magnetic moment value( in Bohr Magneton units ) of Cr(CO)6 is A) 0 B) 2.84 C) 4.90 D) 5.92 ( ANSWER THE QUESTION WITH EXPLANATION ) ...

can any one tell me about jadavpur university in kolkata, how is it?? ranking?? how much one needs to get in wbjee to get into ju with good branch... ...

The dissociation constant of a substituted benzoic acid at 25 °C is 1 x 10-4. The pH of 0.01M solution of its sodium salt is ( INTEGER TYPE QUESTION ) ...

[4] nice one! *Image* ...

A mass m at the end of an ideal spring strecthes the spring to a length l when at rest. The mass is now set into motion so that it executes up and down vibrations while swinging back and forth as a single pendulum. It is obse ...

A large cylinder has an acoustic source at it's base....A small man is sitting at a corner of the cylinder and at time t=0 starts moving towards the source.... - he thereby detects a frequency f_0 ...Now the chamber is heated ...

\int_{0}^{\frac{\pi }{2}}{\frac{sec^{2}x}{(secx+tanx)^{n}}}dx,n>1 ...

Q1 If f(x)= {x}g(x)/{x}g(x) is a periodic fn with pd 1/4 where g(x) is diff fn. then prove g(x)=0 at x=k/4 k ε I Q2 f: R→R,f(x)= x2+bx+1/x2+2x+b ,if the function f(x) and 1/f(x) have same bounded set as their range then fi ...

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1..a bucket of water is suspended from a spring balance .what is the increase in weight in the following cases;;;; (1)when piece of stone suspended from a string is immersed in the water without touching the bucket? (2)when p ...

If the circles x2+y2+2x+2ky+6=0 and x2+y2+2ky+k=0 intersect orthogonally , then k is a)2 or -3/2 b)-2 or -3/2 c)2 or 3/2 d) -2 or 3/2 .........what is meant by "circles intersect orthogonally".Plz show with a diagram. ...

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*Image* correct ans are a,c,d. If i ignore the plate Y , the i m getting the answers. I want to know what is the effect of Y. ...

2) If arg(z4-z5/Z-Z5) = arg(z-z3/z4-z3) = 7∩/30 , then the value of arg(z5-Z1/z-z1) is equal to A) ∩/4 B) 7∩/30 C) 4∩/15 D) ∩/3 ...

1) If |arg(z4-z5/z-z5)| = |arg(z-z3/z4-z3)| = θ then range of θ for which there exists two such M(z) is A) [ 0,3Π/5) B) [0,π/5) c) (0,2π/5) d) none of these ...

1) Statement 1 : Hydrogenation of a compound is mostly an exothermic reaction. Statement 2 : Higher the heat of hydrogenation more will be the stability of parent compound. ...

hey guys do u feel that one cant do new chaps now for jee //./.....i feel still some chaps can be done and even remembered???i feel so ...does someone else too? ...

MATCH THE COLUMN : LIST A LIST B 1) A charged particale goes undeviated A) E= 0, B= 0 in electric and magnetic field if 2) A charged particle moves in a circle B) B= 0, E≠0 in the presence of E and B if 3) A charged particl ...

is 111...(30 times ) divisible by 17 ...

\int_{0}^{2a}{\sqrt{2ax-x^{2}}}dx ...

For a,b,c belonging in R+ the minimum value of (a+3c)/(a+2b+c)+4b/(a+b+2c)-8c/(a+b+3c) A)12+17√2 B)-12+17√2 C)-17+12√2 D)17-12√2......... ...

1.If z=reitheta,then modulus of eiz=? Ans.e-rsin theta ...

\int \frac{dx}{\sqrt{1-\sqrt{x}}} ...