Physics

If $Z=\frac{A^2{B}^3}{C^4},$ $\frac{{}^{}{}^{}}{{}^{}}$ then the relative error in Z will be:

How does the force between parallel conductors used in defining the ampere (current SI unit)?

What is the formula for the force per unit length between two parallel current-carrying conductors?

2SO₂(g) + O₂(g) → 2SO₃(g)
The above reaction is carried out in a vessel starting with partial pressure Pso₂ = 250 m bar, Po₂ = 750 m bar and Pso₃ = 0 bar. When the reaction is complete, the total pressure in the reaction vessel is _____ m bar. (Round off to the Nearest Integer).

Consider two spring balances hooked as shown in the figure. We pull them in opposite directions with equal force. If the reading shown by A is 5 N, reading shown by B will be ______ N.

A particle moves with a velocity v = (5i - 3j + 6k) ms^-1 under the influence of a constant force F = (i - j - k)N. The instantaneous power applied to the particle is ______ Watts.

A grass hopper can jump maximum distance 1.6 m. It spends negligible time on ground. How far can it go in 2√2s (in meters)?

In the colour coding system of carbon resistors, the tolerance (in %) shown by gold band is ______.

If the molar specific heat at constant pressure for a polyatomic non-linear gas is x and the molar specific heat at constant volume for a diatomic gas is y, find the value of x y.

A flying disc of radius r is moving with constant speed v? while rotating anticlockwise with angular speed v?/r along a curve PQ as shown below. Radius of curvature of curve at the instant is 4r. The magnitude of acceleration of point A at the instant is (3v₀²)/(nr). Find n.