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In in formation of the metal carbonyl compounds the dipole moment of the CO group should be considerable regarding the electronegativity difference of C and O but on the experimental basis the dipole moment comes out to be 0. ...
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A person A at x=0 is shooting bullets along positive x axis at a speed of 100m/s at the rate of 100 bullets per second. A cart is moving along the x axis with a speed of 4m/s. Find the number of stones gathered by the person ...
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*Image* ...
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What is the change in the internal energy when 2 moles of liquid water vaporises at 100°C? The heat of vaporisation, ΔH vap. of water at 100°C is 40.66KJmol-1. ...
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Well what sort of function can be this which satisfy the function rule as f(x+y)=f(x)+f(y)? I mean which function can it be? ...
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Find the limit to: *Image* A.)1 B.)-1 C.)0 D.)Do not exist ...
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Find the limit to: *Image* the options are: A.)(a-b)/3 B.)0 C.)(a2-b2)/6a2b2 D.)(a2-b2)/3a2b2 ...
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A non zero polynomial with real coefficients have the following property: f(x)=f'(x)f"(x). Then find the leading coefficients of f(x). ...
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Find the limit *Image* the options are: A.)1 B.)0 C.)Î /2 D.)does not exist ...
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Find the limit to: *Image* here a,b and c are non zero constants!!!!! ...
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People living at Mars, instead of using the usual definition of derivative D f(x), defined a new king of derivative, D*f(x) by the formula: D*f(x)=Limit h------>0 f2(x+h)-f2(x) ___________ h where f2x means [f(x)]2. If f(x ...
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Find the limit for *Image* ...
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Assertion: The rate constant of a chemical reaction increases by a factor of 2 approximately on increasing the temperature by 10K. Reason: The number of collisions increase between the molecules due to increase in temperature ...
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Find the lengths of diagonals of the parallelogram constructed on the vectors p=2a+b and q=a-2b, where a and b are unit vectors and forming an angle of 60°. ...
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Find the set of values of c for which the angle between the vectors cxi-6j+3k and xi-2j+2cxk is acute for every xξR ...
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If the vectors 3p+q;5p-3q and 2p+q;4p-2q are the pairs of mutually perpendicular vectors then find the value of sin(p^q). ...
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1. If the vectors a=3i+j-2k, b=-i+3j+4k and c=4i-2j-6k constitute the sides of triangle ABC, then find the length of the median bisecting the the vector c. ...
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A small ball of mass m is released from a height R above the surface ot the earth surface as shown. If the maximum depth of the ball to which it goes into the earth is R/2 through a narrow grove before coming to rest momentar ...
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A circular ring of mass M and radius a is placed in a gravity free space. A small particle of mass m is placed on the axis of the ring at a distance √3a from the centre of the ring is released from rest. the velocity of the ...
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In presence of peroxide, hydrogen chloride and hydrogen iodide do not give anti markonikov's addition because: options are as: *Image* ...
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Why cannot we use the ampere's circuital law while finding the magnetic field of a wire of finite length? Though we can very easily use it when the wire is of infinite length. ...
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Assertion: A body can have acceleration even if its velocity is Zero at a given instant of time. Reason: A body is momentarily at rest when it reverses its direction of motion. THE CHOICES ARE SAME AS THAT IN THE JEE PAPERS! ...
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A spaceship is sent to investigate a planet of mass M and radius R. While hanging motionless in space at a distance of 5R from the centre of the planet, the spaceship fires an instrument package with a speed V at an angle the ...
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A machine gun of mass M/4 is mounted on a plank of mass 3M/4. The barrel of the gun is inclined at an angle of θ with the horizontal. The plank is moving on a smooth horizontal surface in x-y plane of a coordinate system alo ...
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For n belonging to N, find the value of the definite integral \int_{0}^{n\Pi +V}{\sqrt{(1+cos2x)/2}dx} where \Pi /2<V<\Pi ...
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Find the value of \int_{0}^{infinity}{x^{2n+1}.e^{-x^2}dx} ...
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Find Lim λ------>0 \left(\int_{0}^{1}{(1+x)^\lambda } \right)^{(1/\lambda )} i forgot kindly add dx to the bracket including the integral! ...
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The absolute value of ∫(sinx/1+x8)dx from 10 to 19 is less than: a.)10-10 b.)10-11 c.)10-7 d.)10-9 Please give the solution! ...
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A square plate of mass M and edge length L is shown in figure. Find the moment of inertia of the plate about the axis in the plane of the plate passing through one of the vertex making an angle of 15° from the horizontal. *I ...
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A non zero polynomial with real coefficients has the property that f(x)=f'(x).f"(x). The leading coefficient of f(x) is? A.) 1/6 B.)1/9 C.)1/12 D.)1/18 ...
