NEET 2023 Question Paper Mock Test

Light travels a distance $x$ in time $t_1$ in air and $10x$ in time $t_2$ in another denser medium. What is the critical angle for this medium?

In hydrogen spectrum, the shortest wavelength in the Balmer series is $\lambda$. The shortest wavelength in the Brackett series is:

If the galvanometer $G$ does not show any deflection in the circuit shown, the value of $R$ is:

The amount of energy required to form a soap bubble of radius $2\text{cm}$ from a soap solution is nearly (Surface tension of soap solutions $=0.03{\text{N m}}^{-1}$):

The magnetic energy stored in an inductor of inductance $4\mu \text{H}$ carrying a current of $2\text{A}$ is: