# Anushka

Newest questions posted by Anushka-
## science

In an experiment 4.5kg of fuel was completely burnt. The heat produced was measured to be 180,000kg. What is the calorific value of the fuel? -
## Science

E.f of feso4 -
## Physics

A lift of height 3.375m is moving with acceleration of 2.2m/s2. What is the time required by any object to fall from the roof of the lift to the floor???? -
## Science

Find molecular mass of an element having- Density= 1.56 gm/l Temp.= 65 degree Celsius Press.= 745mm -
## Maths

Hamid has three boxes of fruit. Box a weighs 5/2kg more than box B and boxB weighs 41/4kg more than box C. The total weight of the boxes is195/4kg.Howmany kg does box a weighs.? -
## Math

A container of milk is 4/5 full.when 10 l of milk is poured into it the container becomes 9/10 full.what is the capacity of the container. -
## Physics

A particle executing simple harmonic motion of amplitude 5 cm and period 2 s. Find the speed of the particle at a point where its acceleration is half of its maximum value -
## physics

A proton is confined to a nucleus of radius 5 FM.what's the minimum uncertainty in momentum? -
## chemistry

in a parallel plate capacitor the separation between the plates is 3mm with air between them. now a 1mm thick layer of a material of dielectric constant 2 is introduced between the plates due to which capacitance increases. In order to bring the -
## chemistry

what fraction of voids are occupied by sp3 carbon in diamond -
## chemistry

'Aluminium displaces hydrogen from dilute HCl whereas silver does not. The E.M.F. of a cell prepared by combining Al /Al 3 andAg/Ag is 2.46 V. The reduction potential of silver electrode is 0.80 V. The reduction potential of aluminium electrode is : -
## chemistry

a solution of nickel sulphate in which nickel rod is dipped is diluted 10 times. the reduction potential of Ni at 298 K is? -
## chemistry

A current of 96.5 A is passed for 18 min between nickel electrodes in 500 mL solution of 2M Ni(NO3)2. The molarity of solution after electrolysis would be -
## Physics

1) The electric potential at any point x, y, z in metres is given by V = 3x2. The electric field at a point (2 m, 0, 1 m) is -
## Maths

IF length of rectangle is 20 & breadth 5cm, find the side of square which is equiangular with rectangle. -
## Physics

An ideal gas whose adiabatic exponent -
## Physics

The Young's modulus of the material of a wire is 6 x 10^12 N/m2 and there is no transverse strain. The modulus of rigidity is -
## Geometry

in the diagram below of Circle of chord AB bisects chord CD at E. If AE equals 8 and BE equals 9 find the length of CD in simplest radical form -
## physics

An engine of mass one metric ton is ascending on an inclined plane, at an angle tan ^-1 (1/2) with horizontal, with a speed of 36km/hr. If the coefficient of friction at the surface is 1/(3^1/2) then the power is? -
## physics

The aerodynamic drag on an aeroplane is given by D=bv^2. The power output of the aeroplane cruising at constant speed in level flight is proportional to a> v b> v^2 c> v^3 d> v^(3/2)