DIf would increase if the liquid density were increased 8. Photoreceptors in the human eye represent biological detectors for approximately the wavelengths of electromagnetic radiation in the band of: C. 460-960 nm A. 460-760 nm D. 300-800 nm -H.260-760 nm 9. A uniform solid cylinder made of lead has the same mass and the same length as a uniform solid cylinder made of wood. The rotational inertia of the lead cylinder compared to the wooden one is: A. greater B. less 10. The angular speed of the second hand of a watch is: A. (7/1800) rad/s C. (x/30)m/s /60)m/s D. (2x)m/s 11. Most of what we know about the structure of atoms and molecules comes fromspectroscopic study. The spectroscopic techniques are developed by collaborative work of گر ess physicists and chemist's B. chemistry and biologists same D. unknown unless the radii are given C. geologists and chemists D. Physics and biologists​