Miss Congeniality

Plot hole: Just before playing the water glasses, Gracie plays a couple notes, one of which is very high. She drinks some water out of the glass to lower the pitch. The problem is that the pitch goes up when you remove water from the glass, not down. Drinking out of the glass would've made the note sound higher. Some people and websites will make you believe that the pitch is going down due to an increase in the size of the resonant chamber but singing glasses have nothing to do with cavity resonance. Glass singing is caused by the molecules in the glass vibrating in resonance with each other. More water dampens the motion, slowing it down and lowering the pitch. Some of the confusion comes from schools not teaching children that liquids and gasses are both fluids. In the case of water in glasses, the water is not changing the cavity as much as one thinks, just damping it. And finally, if you don't believe me, don't Google it, try it.

zephalis

Plot hole: Grace is allowed to enter the Miss United States pageant as Miss New Jersey when it is discovered that the actual Miss New Jersey made an erotic film. The problem is, the Miss New Jersey pageant would have a first runner up who would take the winner's place if, for any reason, she were not able to complete her reign. Everyone in the New Jersey pageant system would know Grace had not been a contestant.

kuffpah

Revealing mistake: Gracie hugs the Russian waitress in order to have a better view of the disc hand-off appear on the monitor. As she raises her left hand that holds the book/camera lens, we see that the digital feed that appears on the monitor stays steady and level, even though she is raising the book/camera lens higher and closer to her face. Obviously the feed that we see on the monitor is not taken from the book/camera lens. (00:04:10)

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More mistakes in Miss Congeniality

Gracie Hart: Good evening, I know the program says I'm supposed to play the water glasses for you, but, uh, some of the girls got dehydrated.

More quotes from Miss Congeniality

Trivia: Gracie's and Vic's hotel room in the movie are both marked 103 for some reason. The crew did it on purpose, for reasons unknown.

More trivia for Miss Congeniality

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