NEET 2022 Question Paper Mock Test

The dimensions $[ML{T}^{-2}{A}^{-2}]$ belong to the:

If the initial tension on a stretched string is doubled, then the ratio of the initial and final speeds of a transverse wave along the string is:

In half wave rectification, if the input frequency is $60\text{Hz}$, then the output frequency would be:

The displacement-time graphs of two moving particles make angles of $30^{\circ }$ and $45^{\circ }$ with the $x$ -axis as shown in the figure. The ratio of their respective velocity is:

A square loop of side $1\text{m}$ and resistance $1\Omega$ is placed in a magnetic field of $0.5\text{T}$. If the plane of loop is perpendicular to the direction of magnetic field, the magnetic flux through the loop is: