1. The Divergence of Curl is?

2. The Michelson–Morley experiment was designed to show :

3. In free space, the Poisson equation for electrostatics becomes :

4. An astronaut sees two spaceships flying apart with speed 0.99c. The speed of one spaceship as viewed by the other nearly is :  

5. The graph of the function as shown in Fig.1 is best described by :

6. Choose the incorrect statement :

7. If F is the time-dependent force F = A – Bt, where A and B are positive constants, the velocity v(t) in terms of A, B, m (mass), v0 (initial velocity) and x0 (initial position) is given by :

8. How far approximately will a small boat move, when a man with mass 64 kg moves from back to front of the boat ? Given that length of boat is 2.7 m, its mass is 92 kg. (Water resistance and tilt of the boat is negligible)

9. A particle moves in a circular orbit with the potential energy U(r) = –A/r^n , where A > 0. For what values of ‘n’ are the circular orbits stable :

10.

A particle of mass ‘m’ is located in the y-z plane at x = 0, y = 3, z =3. Its moment and products of inertia relative to the origin written in the form of an Inertia matrix are :

11. A marble of mass 0.1 kg and radius 0.25 m is rolled up a plane of angle 30 degree . If the initial velocity of the marble is 2 m/s, the distance ‘d’ it travels up the plane before it begins to roll back down is equal to :

12. A thin sheet of mass M is in the shape of an equilateral triangle with side L. The moment of inertia around an axis through a vertex, perpendicular to the sheet is :

13.