Physics Test-25...

If \(A_n\) is the area enclosed in the nth orbit in a hydrogen atom then the graph \(\log \left(\frac{A_n}{A_1}\right)\) against \(\log n\):

A water tank is filled with water to half its capacity. The tank is kept on a truck that is moving with a constant velocity. On sudden application of the brake, the water in the tank would:

A player, trying to catch a cricket ball, usually pulls his hand back slowly. Which principle is this:

A force of \(40 \mathrm{~N}\) acts on a point \(\mathrm{B}\) at the end of an L-shaped object, as shown in the figure. The angle \(\theta\) that will produce maximum moment of the force about point \(A\) is given by:

An electric current can produce _____________.

Each of the following statement describes a force acting. Which force is causing work to be done?

On which of the following does the resistance of a wire not depend?

A body, under the action of a force \(\vec{F}=6 \hat{i}-8 \hat{j}+10 \hat{k}\)acquires an acceleration of 1m/s². The mass of this body must be:

The wave fronts of light wave traveling in vacuum are given by \(x+y+z=c\). The angle made by the light ray with the \(x\)-axis is:

When heat is transferred by molecular collision, it is referred to as heat transfer by ____________.