In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

Q: This man gives his name, along with that of Francis Sears, to a process in ultrasonic imaging for which the acoustic wavefronts act as optical gratings to diffract the light on either side of the central spot. The distance over which charge carriers in plasmas exclude electric fields via his namesake shielding is also known as his namesake length. With an assistant later famous in his own right for his rule for determining whether ring molecules would show aromatic properties, he developed a mathematical expression to explain characteristics of electrolytic solutions, the famous equation named for him and Erich Hckel. FTP name this man who also gives his name to the SI unit defined as about 3.3 x 10-30 Coulomb meters, which measures the molecular dipole moment.

A: Science
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Q: A tree can be seen in the background of this work through a window bisected by a stone column. Beneath the window lies a series of chests, one of which is being searched through by a child in white. The childs caretaker, carrying a large gold and blue garment, looks after the child while on the right a small brown and white dog sleeps peacefully on a couch. Tapestries line the walls near the chests and green and beige tiles line the floor, and a green curtain obscures the back left portion of the room. On a red couch in front of the curtain rests the title character, who holds pink flowers in her hand as she stares at the viewer. For 10 points, name this painting by Titian.

A: Fine Arts
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Q: He outsmarted his brother Karttikeya to marry Buddhi and Siddhi, personifications of wisdom and prudence. He is usually shown carrying a mace, discus, shell, and water lily, and he was the scribe to whom Vyasa dictated the Mahabharata. He rides a rat, and one version of how he got his most distinctive feature involves his uncle Sani just looking at him, while another version has him guarding the bath of his mother Parvati and angering his father Shiva. For 10 points, name this Hindu god, the remover of obstacles who had his head replaced by that of an elephant.

A:
Social Science
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