I am in 12th And i could prepare for SAT exam for MIT Please share something about MIT . How to apply how much score in sat?

A squre loop of side 2 a and carrying current I is kept in plane with its centre at origin. A long wire carrying the same current I is placed parallel to z-axis and passing through point . The magnitude of torque on the loop about z-axis will be:  
Option: 1
 
Option: 2
Option: 3  
Option: 4

Consider the force F on a charge 'q' due to a uniformly charged a spherical shell of radius R carrying charge Q distributed uniformly over it. Which one of the following statements is true for F, if 'q' is placed at distance r from the centre of the shell?  
Option: 1
 
Option: 2
Option: 3  
Option: 4 for all r

Given the masses of various atomic particles where Which of the following process is allowed by momentum and energy conservation ?
Option: 1 deuterium atom (electron bound to the nucleus)
 
Option: 2
Option: 3  
Option: 4

When a car is at rest, its driver sees rain drops falling on it vertically. When driving the car with speed v, he sees that rain drops are coming at an angle 60° from the horizontal. On further increasing the speed of the car to this angle changes to 45°. The value of  is close to :
Option: 1 0.50
Option: 2 0.41
Option: 3 0.37  
Option: 4 0.73

Particle A of mass moving with velocity collides with another particle B of mass which is at rest initially. Let be the velocities of particles A and B after collision respectively. If and after collision the angle between and is :
Option: 1
 
Option: 2
Option: 3  
Option: 4