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If (4k1,k1^2,1) and (4k2,k2^2,1) are two points lying on the plane in which 1,2,1 are mirror image to each other then k1k2 equals a) -3/2 b) -5/2 c) -7/2 d) -9/2 ...

The correct statement(s) about the compound H3C(HO)HC–CH=CH–CH(OH)CH3 (X) is(are) (A) The total number of stereoisomers possible for X is 6. (B) The total number of diastereomers possible for X is 3. (C) If the stereochem ...

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Q)→Assertion: Function f(x)=1/1-x is a continous function. Reason: A continous function is that which is continous in its domain with no breaks and hence in the function f(x)=1/1-x x=1 is not in the domain of this function. ...

If n line segments of length 1,2,3,4....,n units are given,Calculate number of triangles that can be formed using them ( I saw a ques in which four line segments were given..and answer was caclulated using triangle inequality ...

THIS QUESTION WAS SOLVED BY MY SIR LAST YEAR ,BUT STILL I AM NOT SATISFIED WITH THE SOLUTION I HOPE I WILL GET SOME AWESOME ANSWERS IN THIS FORUM *Image* a particle of mass m , charge q is released from -∞ along +ve x axis ...

An experiment requires minimum beta activity product at the rate of 346 beta particles per min.The half life period of 99Mo42,which is a beta emitter is 66.6 hours.Find the minimum amount of 99Mo42 required to carry out the e ...

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ses x - cos x = K1 cosec x- sin x = k2 the eliminant of x between the equation is a) ( K22*K1)2/3 + (K2*K12)2/3 =1 b) K22 + K12/K22 = 2 c) K12/3*K22/3(k12/3 + K22/3) = 1 d) K1*K22 + k2*K12 = 2 ...

All the roots of the eqn a_1z^3+a_2z^2+a_3z+a_4=3 where |ai|<1 {i=1,2,3,4} lie outside the circle with centre at origin and radius equal to a) 1 b) 1/3 c) 2/3 d) N.O.T. ...

P is a point inside or on boundary of ΔABC having perimeter p and area Δ . R is a point in the plane of ΔABC such that PR ≤5 .The area of region in which point R lies is ?? ...

Which of the following is coloured due to polarisation? 1. Ag3PO4 2. Cu2Cl2 3. K4[Fe(CN)6] 4. CuF2 ...

1) A wire of length 1m is moving at aspeed 2m/sec perpendicular to a magnetic field of induction of 0.5T.The ends of wires are formed by a circuit of total resistance 6ohm.What is the rate at which work is done to keep the wi ...

Velocity of a particle, which starts moving from origin in x-y plane is given by v=a i+bx j where a and b are positive constants. Path followed by the particle is a>st. line b>circle c>ellipse d>parabola ...

The circles on focal radii of a parabola as diameter touch A The tangent at the vertex B The axis C The directrix D None of above ...

there is vacuum in space.Then from where does a spaceship get the thrust to move on? ...

Q1 The reaction Cis-Cr(en)2(OH)2+≈Trans-Cr(en)2(OH)2+ where ≈ denotes equilibrium is first order in both the directions.At 25 C teh eq constant is 0.16 and rate constant k1=3.3*10-4 .In an experiment starting with pure ci ...

The wavelengths of k_{\alpha } and k_{\gamma } X- Rays are \lambda _{1} and \lambda _{2 } respectively. The wavelength of L _{\beta } X- Rays is A) \frac{\lambda _{1 } + \lambda _{2}}{2} B) \frac{\mid \lambda _{1 } - \lambda ...

A compound X(C7H8O) is insoluble in water,dilute HCl and aqueous NaHCO3 but dissolve in dil. NaOH.When X is treated with Bromine water ,it is converted into a compound of formula C7H5OBr3. identify X ...

Light rays of wavelength 6000 A and of photon intensity 39.6 W/m2 is incident on a metal surface. If only 1% of the photons incident on surface emit photoelectrons, then the number of electrons emmited per second per unit are ...

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Q1. The spin quantum numbers +1/2 and -1/2 for the electron spin represent (a) rotation of the electron in clockwise and anticlockwise direction respectively (b) rotation of the electron in anticlockwise and clockwise directi ...

The co-ordination number of Cr in [Cr(Ï€6-C6H6)2 ] is x. Then x/2 will be ? ...

IF THERE IS A QUADRATIC EQUATION WITH COMPLEX COEFFICIENTS THAN IS THERE ANY METHOD FOR REPRESENTING SUCH A EQUATION ON ARGAND PLANE?????? LIKE WE CAN REPRESENT UADRATIC WITH REAL COEFFECIENTS AS PARABOLA ON REAL PLANE....... ...

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Q21 Three different numbers are selected at random from the set A = {1, 2, 3,...,15}. The probability that the product of two is equal to the third one is A>1/65 B>7/65 C>1/13 D>5/13 ...

8 players compete in a tournament, everyone plays everyone else just once. The winner of a game gets 1, the looser get 0 or each gets if the game is drawn. The final result is that everyone gets a different score and the play ...

Dipole moment of p-nitroaniline when compared to nitrobenzene (X) and aniline (Y) will be 1. Smaller than both X and Y 2. Greater than both X and Y 3. Greater than Y but smaller than X 4. Equal to zero ans is 2 I want explana ...