Statements: 1. During the past year, Josh saw more movies than Stephen. 2. Stephen saw fewer movies than Darren. 3.Darren saw more movies than Josh. If the first two statements are true, the third statement is:
Correct answer: C. Uncertain
- A. True
- B. False
- C. Uncertain
- D. None of these
Explanation
The statements tell us that Josh > Stephen and Darren > Stephen. However, there is no information to directly compare the number of movies seen by Josh and Darren. Darren could have seen more, fewer, or the same number of movies as Josh.
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Light is studied through reflection, refraction, dispersion, interference, diffraction and polarization, linking ray behavior with its wave nature. Questions may involve mirrors, lenses, optical instruments, refractive index and image formation, while geometrical optics deals with rays and wave optics explains effects such as interference and diffraction.
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