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In July of 1994, Comet Shoemaker-Levy struck the planet Jupiter.

In July of 1994, Comet Shoemaker-Levy struck the planet Jupiter, depositing 7 *1022 joules of energy, and incidentally giving rise to a series of Hollywood movies in which our own planet is threatened by an impact by a comet or asteroid. There is evidence that such an impact caused the extinction of the dinosaurs. Left: Jupiter’s gravitational force on the near side of the comet was greater than on the far side, and this difference in force...
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Sample Paper of Physics 2014 for class 12, CBSE. Paper No.2

Sample Paper – 2014 Class – XII Subject – Physics Time: 3Hrs No of pages: 04                                                                                                                  M. Marks: 70                General instructions: All questions are compulsory. There is no overall choice. However, an internal choice has been provided in one question of two marks, one question of three marks and all three questions of five marks. Question numbers 1 to 8are very short answer type questions, carrying one mark each. Question...
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