UHS MDCAT 2018

1. Stone of mass 2 kg is dropped from a rest position 5 m above the ground. What is its velocity at a height of 3.0m above the ground?

2. In case of half wave rectification the resistance of diode during negative half of A.C is

3. Newton first law of motion is also known as

4. When a potential difference b applied across the ends of a uniform wire of length L and radius r, a current I flow in the wire. If same potential difference is applied to the ends of another wire of the same material but of length 2L and radius 2r, the current in the wire is

5. A shock wise is produced due to an earthquake which makes the buildings move in the direction of the shock wave. Which progressive wave would this be?

6. A neutron having mass equal to a proton (mp= 1.6 ×10^7 kg) is moving in a magnetic field of intensity 1.20 ×10^3 T with a speed of 2.0 × 10^7 ms-1. what is the Maximum force experienced by the neutron.

7. In SHM the kinetic energy of the body is maximum when

8. The different magnitudes of same physical quantities are measured by comparing them to:

9. Force experienced per unit positive test charge at a point in an electric field in the definition of :

10. A metal rod of length 10 cm is moving at a speed of 0.5 m/s in a direction perpendicular to a 0.20 T magnetic field. Find the EMF produced in the rod.