Question

A bowl of soap water is at rest on a table in the dining compartment of a train, if the acceleration of the train is $\frac{g}{4}$ in forward direction, the angle made by its surface with horizontal is

• A.
• B.
• C.
• D.

Answer 1

The correct option is B

$\theta$ = $Ta{n}^{-1}$$\left[\frac{a}{g}\right]$