Question

If you climb to the top of Mount Everest (nearly 9 km above sea level) the gravitational force would be

Select one:

a. the same.

b. much weaker because you are further away from the earth.

c. a little bit weaker because you are further away from centre of the earth.

d. a little bit stronger because you are further away from centre of the earth.

e. much stronger because you are further away from the earth.

An electromagnetic wave is a disturbance that propagates at the speed of light and consists of oscillating electric and magnetic fields with directions that are

Select one:

a. at right angles to each other.

b. directed along the axis of propagation.

c. equal in magnitude but opposite in direction.

d. in the same direction.

Answer 1