The speed of light in a clear liquid is 0.80 the speed of light in air. The critical angle of the liquid is Select one: O a. 0.930 O b. 370 O c. 530 O d. 90 Determine the angle of deviation of the second order maxima produced when monochromatic light of 640 nm is directed through two slits that are 6.43 micro metres apart. Select one: O a. 2.850 O b. 5.710 O c. 11.50 O d. 78.50 A 10 cm tall object is placed 30 cm away from a concave lens that has a focal length of 6.0 cm. Determine the image size. Select one: O a. 0.043 cm O b. 0.067 cm O c. 1.7 cm O d. 2.5 cm4..4.... 1...4.. ...4.. .4.4..4. L.I E.... The systems that would produce a virtual image are Select one: O a. i and ii O b. i and iv O c. ii and iv O d. iii and ivDetermine the amount of quantized energy for a photon having a frequency of 3.85 x 1014 Hz. Select one: O a. 1.28 x 106 J O b. 1.28 x 10-19 J O c. 2.55 x 106 J O d. 2.55 x 10-19 J The frequency of the light is at a certain value above the threshold frequency. The intensity of light is then manipulated in a photoelectric experiment. What will be the result? Select one: O a. number of photoelectrons will change O b. energy of each photoelectron will change O c. frequency of the incident photons will change O d. maximum kinetic energy of the electrons will change Radiation with a frequency of 7.52 x 1014 Hz is incident on a photoelectric surface. A stopping voltage of 0.916 V is required to reduce the current through the cell to zero. The work function of the photoelectric surface is Select one: O a. 1.47 x 10-19 J O b. 4.80 x 10-19 J O c. 1.10 ev O d. 2.20 eVAn X-ray photon collides with an electron to produce a scattered photon as shown below. Scattered X-ray photon Incident X-ray photon Identify the momentum vector below that best describes the path of the electron after the collision. C. Select one: O a. A Ob. B O c. C O d. D Determine the momentum of a photon of light having an energy of 7.87 x 10-16 J Select one: O a. 2.36 x 10-7 kg.m/s O b. 3.81 x 10-23 kg.m/s O c. 2.62 x 10-24 kg.m/s O d. 7.17 x 10-45 kg.m/sDetermine the momentum of a photon of light having an energy of 7 87 x 10-16 J Select one: O a. 2.36 x 10-7 kg.m/s O b. 3.81 x 10-23 kg-m/s O c. 2.62 x 10-24 kg.m/s O d. 7.17 x 10-46 kg-m/s Determine the momentum of a photon having a wavelength of 3.00 x 10 - m Select one: O a. 1.99 x 10-41 kg.m/s O b. 2.21 x 10-26 kg.m/s O c. 4.52 x 1025 kg.m/s O d. 2.21 x 1026 kg.m/s The wavelength of the scattered X-ray in the Compton effect will be Select one: a. equal to the wavelength of the incident X-ray O b. less than the wavelength of the incident X-ray O c. greater than the wavelength of the incident X-ray O d. greater or less depending on the frequency of the X-rayX-rays strike a metal plate causing the ejection of electrons as shown in the diagram. Determine the wavelength of the scattered X-rays Scattered X-rays metal 4.42 x 10 m X-rays WW--- 24. 1 e Select one: O a. 2.11 x 10-13 m O b. 4.44 x 10-11 m O c. 4.40 x 10-11 m O d. 4.54 x 10-11 mUltraviolet light with a wavelength of 2.0 x 107 m strikes a metal whose work function is 3.2 x 10 19 J. What is the velocity of the ejected electrons? Select one: O a. 8.4 x 103 m/s O b. 1.2 x 106 m/s O c. 1.5 x 105 m/s O d. 1.7 x 105 m/s When phosphorus 34 undergoes a nuclear reaction to produce sulphur 34, which of the following are emitted by the nucleus? Select one: O a, gamma rays O b. beta particles and gamma rays O c. beta particles and alpha particles O d. beta particles, alpha particles, and gamma raysIn Rutherford's scattering experiment, why were some particles deflected almost straight back to where they came from? Select one: O a. Helium electrons were repelled by gold electrons. O b. Neutral helium atoms hit a neutral gold wall and rebounded. c. Positive alpha particles were repelled by the positive gold nucleus. O d. Alpha particles hit at least ten different gold atoms and were bent slightly in each collision. What wavelength must a photon possess, to have the same momentum as an electron travelling at 3.0 x 10 m/s? Select one: O a. 2.4 x 10 10 m O b. 7.3 x 10 4 m O c. 2.2 x 103 m O d. 4.2 x 109Stopping Voltage Versus Frequency 2.0 Stopping Voltage (V) 1.0 - 0 1.0 2.0 3.0 4.0 5.0 6.0 Frequency (x10'*Hz ) For the graph shown above, what is the threshold frequency and what is the slope? Select one: O a. The threshold frequency is 1.5 x 101# Hz and the slope is 4.0 x 10 1 Vs b. The threshold frequency is 1.5 x 101# Hz and the slope is 2.5 x 10 -- Vs O c. The threshold frequency is 6.0 x 101# Hz and the slope is 4.0 x 10 - Vs O d. The threshold frequency is 6.0 x 101f Hz and the slope is 2.5 x 10 13 Vs Thomson's work with cathode ray tubes suggested that an atom contained Select one: O a. photons O b. protons O c. neutrons O d. electrons