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This is the smallest particle of an element. ...

capacitors with capacity 2 , 4 , 8 ..............∞ (all in micro farads) are arranged in series combination... wt is the equvalent capacitance? ...

1.hypervalent compound is(are):- A.SO3-2 B.PO4-3 C.SO4-2 D.ClO4-1 what r hypervalent compounds? ...

1) A student says that he had applied a force F = - k√x on a particle and the particle moved in SHM. He refuses to tell whether k is constant or not. assume that he has worked only with positive x axis and no other forces a ...

1. How does Bond angle vary with the Electronegativity of Central Atom and Surrounding/Co ordinated atoms and WHY? 2. Phosphorus Pentachloride exists in SOlid state as -- 3. Compare the Shapes and geometry of Nitrite and Nitr ...

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A horizontal tube, open at both ends, contains a column of liquid. the length of the liquid column does not change with temperature. Let γ = coefficient of volume expansion of the liquid and α= coefficient of volume expansi ...

a point charge charge q is rotated along a circle in the electric field generated by another point charge Q. the work done by the electric field on the rotating charge in one complete revolution is (a) zero (b) positive (c) n ...

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1. Prove that for all real x,y the value of x2+2xy+3y2-6x-2y cannot be less than -11. More I'll Post later. ...

These are not doubts - I am just looking for simpler ways to solve these :- 1 > Given two plain - parallel electrodes , at a distance " d " , and kept at voltages " 0 " and " V0 " , find the magnetic field per unit length ...

which book for organic chemistry having complete theory and objective questions?????? ...

1)Can simple harmonic motion take place in a non inertial frame? If yes, should the ratio of the force applied with the displacement be constant? 2)Can a potential energy in a SHM be negative? Will it be so if we choose zero ...

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1.) A chain of mass M and length L is suspended vertically with its lower end touching a scale. The chain is released and falls onto the scale. What is the reading of the scale when a length of the chain has fallen? Neglect t ...

wt are the factors responsible for radioactivity seen in heavier nuclei , why not in lighter nuclei having most unstable nucleis???? ...

wt is the basic concept behind nuclear forces means their cause of origin??? ...

beta particles are emitted from nucleus but are negatively charged.how? ...

what are anti-neutrino particles??? ...

A boy throws a ball at an angle 450 with the horizontal at t = 0 at origin. Path of the ball follows the trajectory y = x – 5x2. The boy start running with a constant velocity 1 m/s along x-axis at t = 0. Take g = 10 m/s2. ...

1. If sinA + sinB = 2 what is the value of sin(A+B) ? 2. If cos (\beta - \gamma ) + cos (\gamma - \alpha )+cos(\alpha - \beta )= - 3 / 2 show that cos\alpha + cos\beta + cos\gamma = 0 and sin \alpha + sin \beta + sin \gamma = ...

A ball looses 15% of its KE after it bounces off a concrete slab . What is the speed with which one must throw it vertically down frm a height of 12.4 m to hav it bounce back to the same height?? ...

*Image* this is an series terminated by capacitor c. what value of c will make the contribution in equivalent capacity b/w a & b of series of capacors within the dots uneffective??? ...

ques- solve for θ: tan2θ.tanθ = 1 i found two ways of solving this but both of them are giving different answers I - by using tan2θ = 2tanθ/1-tan2θ and solving for tanθ ,i got tanθ = ± 1/√3 ie θ = nΠ± Π/6 II - ...

log7 log7{7+[7+(7+.......∞)1/2]1/2}1/2 find its value..... ...

Here is a very good trick to find a pythagorian triplet: 1.Square a number. 2.Add 1 to that number and subtract 1 from it 3.Divide the two numbers by 2 4.All the three numbers will give you a pythagorian triplet For eg: 1. 52 ...

many of you have done this There are 25 horses and 5 race course. that means you can run atmost 5 horses in one race. What will be the number (minimum) of races required to find the top 3 horses (top means which runs fast) Th ...

1. www.hiddenage.com the online platform for showcasing the hidden scientists, engineers in young ignited minds. The main aim of our web site is to promote the spirit of performing unique experiments using innovative ideas an ...

Can anyone plz explain the use of complex numbers ( de-moivre's theorem) in finding out the integral of type ∫sinmxcosnxdx , where both m,n are positive integers. ...

the bullet is fired from the rifle which recoils after firing. The ratio of the kinetic enegy of the rifle to that of the bullet is : (a) zero (b) one (c) less than one (d) more than one ...