FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -Only one transition effect can be applied to a slide at a time. So if a slide already has a transition effect applied to it, you can change to a different effect by going to the Transitions tab and simply selecting the effect you prefer.

Detailed explanation-2: -Open the Animation Pane Select the object on the slide that you want to animate. On the Animations tab, click Animation Pane. Click Add Animation, and pick an animation effect. To apply additional animation effects to the same object, select it, click Add Animation and pick another animation effect.

Detailed explanation-3: -PowerPoint has almost 50 transitions to choose from.