AIPMT 2012 Mock Test

A rod of length $10\text{cm}$ lies along the principal axis of a concave mirror of focal length $10\text{cm}$ in such a way that its end closer to the pole is $20\text{cm}$ away. The length of the image is:

The moment of inertia of a uniform circular disc is maximum about an axis perpendicular to the disc and passing through:

Which one of the following plots represents the variation of gravitational field ($I$) due to a thin spherical shell of radius $R$ with distance $r$?

To get an output $Y=1$ in the given circuit (AND gate with inputs $A,B$ and then OR gate with $C$), which of the following input will be correct:

The equation of a simple harmonic wave is given by $y=3\sin \frac{\pi }{2}(50t-x)$. The ratio of maximum particle velocity to the wave velocity is: