List of top Questions asked in Haryana PMT- 2005

A small body of mass $m$ slides without friction from the top of a hemisphere of radius $r$. At what height will the body be detached from the centre of the hemisphere?

The objectives with large apertures are used in telescopes for

The angular speed of a body changes from $\omega_1$ to $ \omega_2$ without applying a torque, but due to change in moment of inertia. The ratio of radii of gyration in the two cases is

If a, b, c and d are mass, length, time and current respectively, then $b^2 \, a/ c^3$ d has the dimensions of

How long will a passenger sitting at the window of a train travelling at a speed of 54 km$h^{-1}$ see a train,passing by in the opposite direction with a speed of 36 km$h^{-1}$ , if the length of the second train is 150 m?

A faulty thermometer has its fixed point marked as $5^{\circ}$ and $95^{\circ}$. The temperature of a body as measured by the faulty thermometer is $59^{\circ}$. The correct temperature of the body on Celsius scale is

In cockroaches during the digestion of food, the enzyme cellulase is synthesised by

Which of the following is responsible for blood clotting (coagulation) ?