Recently Active Miscellaneous Questions

A block of mass 0.50 kg is moving with a speed of 2.00 ms–1 on a smooth surface. It strikes another mass of 1.00 kg and then they move together as a single body. The energy loss during the collision is ...

If kinetic energy of electron be Tn and radius be Rn for nth orbit due to an attractive force given by F = K/r .Then, ...

What is the gravitational potential at the centre of a solid sphere of mass M and radius a ? ...

*Image* In the above figure if σ1 and σ2 are the carge densites at 1 and 2..This is a conductor.Then, ...

In the previous question what is the charge that appears on the outside of the plate 1 ? ...

*Image* if q1 > q2 what is the charge that appears in the inner surface of plate 1 ? ...

In case of pure rolling the work done by friction force is always ...

A ring of mass m and radius r is hinged at its periphery and is hanging down.What is the frequency of small oscillations of the ring ? ...

A charged spherical shell is cut into two unequal halves, one bigger and one smaller. Which part has greater electric field at the centre ? ...

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Amongst the following ions which one has the highest paramagnetism? ...

Among the following, the strongest base is ...

the geometry of Ni(CO)4 and Ni(PPh3)2Cl2 are ...

What is the value of of |log(i)| , where i is √(-1) ...

A dice is thrown twice one after the other.What is the probability that the sum of the number that appears on the top surface is greater than or equal to 10 ? ...

Real part of eeθ is ...

If (tan3x - tan2x)/(1+tan3x.tan2x) = 1 , 0 < x < π/2 , x is ...

A work is done in two phases. The probability of the success of the phases is 0.9 and 0.8 respectively.What is the probability that the work cannot be done ? ...

Parametric equation of a line at a distance p from origin can be written as , ...

How many independent terms are there in the expansion (a+b+c)50 ? ...

What is the maximum value of (a2cos2θ+b2sin2θ) ? ...

A ray of light emanating from (0,b) is reflected on X-axis and passes through (p,q).What is the slope of the reflected line ? ...

A line passing through the origin rotates dθ/dt = β , what is the maximum rate at which the area formed by the above line , X -axis and x =a change ? ...

f(x+y) = f(x)+f(y) and f(0) = 1 f'(0) = 1, then f(x) = ? ...

What is the locus of centre of a circle that touches two other circles externally ? ...

What is the radius of the inscribed circle in the right angled triangled triange with sides (3,4,5) ? ...

∫(ex/(1+ex)2dx ...

if dy/dx - y = xxlnx what might be y ? ...

Lim cos(ax)/(f(x)-a) = 2 , then f(Ï€/2a) = ? x ->(Ï€/2a) ...

lim (1/n2+2/n2+ ...+ n/n2) n-->∞ ...