It will be different from the yes. You now have a basis to work from. You can use the pendulum to answer any question having two clear choices. For example, in determining the gender of an unborn baby. Ask to see the swing for a girl, and then for a boy.
Pendulums can even be helpful in narrowing choices down.
For example using a time frame. Once you have become familiar and comfortable, you can work with the many pendulum charts available or even make them yourself. Charts can cover topics ranging from physical direction, to relationships, to holistic healing alternatives. With time and practice a pendulum can become one of your most valuable magickal tools. Dowsing is an intuitive art.