Multiple Choice

Question 1

When finding value by plugging in to equation, what must you double check for units?

Answer 1

The units in the answers may be different to in the question.

Question 2

If finding the displacement around the circle from the starting point, what value are they looking for?

Answer 2

The direct path through the circle, not around the edge

Question 3

What happens when a negative ion is projected into an electric field?

Answer 3

both magnitude and direction of velocity changed

Question 4

What happens when a negative ion is projected into a magnetic field?

Answer 4

only direction of velocity changed.

Question 5

Is electric potential scalar or vector?

Answer 5

Scalar.

Question 6

What is the shape of graph of acceleration vs displacement for object in SHM?

Answer 6

y=-x

Question 7

What is the distance between the surfaces of two spheres of radius R if the force F exists when in contact, and F decreases to F/9?

Answer 7

4R

Question 8

Is gravitational potential scalar or vector?

Answer 8

Scalar.