NEET 2022 Question Paper Mock Test

In the given circuits (a), (b) and (c), the potential drop across the two p-n junctions are equal in:

A spherical ball is dropped in a long column of a highly viscous liquid. The curve in the graph shown, which represents the speed of the ball ($v$) as a function of time ($t$) is:

Two resistors of resistances, $100\Omega$ and $200\Omega$ are connected in parallel in an electrical circuit. The ratio of thermal energy developed in $100\Omega$ to that in $200\Omega$ in a given time is:

When two monochromatic light of frequency $\nu$ and $\nu /2$ are incident on a photoelectric metal, their stopping potential becomes $V_s/2$ and $V_s$ respectively. The threshold frequency for this metal is:

If a soap bubble expands, the pressure inside the bubble: