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Physics

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M13/4/PHYSI/HPM/ENG/TZ1/XX 22136507 Physics higher level PaPer 1 Monday 6 May 2013 (morning) 1 hour INSTRUCTIONS TO CANDIDATES • Do not open this examination paper until instructed to do so. • Answer all the questions. • For each question, choose the answer you consider to be the best and indicate your choice • A clean copy of the Physics Data Booklet is required for this paper. • The maximum mark for this examination paper is [40 marks]. on the answer sheet provided. 2213-6507 18 pages © International Baccalaureate Organization 2013 – 2 – 1. M13/4/PHYSI/HPM/ENG/TZ1/XX The mass of an elephant is 104 kg. The mass of a mouse is 10–2 kg. What is the ratio mass of the elephant ? mass of the mouse A. B. C. …show more content…

A standing wave of frequency f is established in air in a pipe open at one end, as shown. Which of the following is the frequency of the next highest harmonic? A. B. C. D. f 3 f 2 2f 3f 2213-6507 – 7 – M13/4/PHYSI/HPM/ENG/TZ1/XX 14. A sample of hydrogen on Earth emits a spectral line that is measured by an Earth observer to have wavelength 500 nm. The same spectral line is emitted by a galactic source that is moving away from Earth at speed of 0.1c. What is the wavelength of the galactic spectral line that will be measured by the Earth observer? A. B. C. D. 50 nm 450 nm 550 nm 5000 nm 15. A parallel beam of monochromatic light of wavelength λ passes through a slit of width b and forms a diffraction pattern on a screen far from the slit. The angle at which the first diffraction minimum is formed is θ. b θ θ screen Which of the following changes in λ and b, carried out separately, will increase the value of θ ? λ A. B. C. D. decrease increase decrease increase b increase increase decrease decrease 2213-6507 Turn over – 8 – M13/4/PHYSI/HPM/ENG/TZ1/XX 16. Two coloured point sources are observed through an optical telescope. Which of the following colours for the sources would best allow their images to be resolved? A. B. C. D. Blue Green Red Yellow 17. Unpolarized light of intensity I0 is transmitted through a polarizer which has a transmission axis at an angle θ to the vertical. The

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