...It begins with the assumption that the force between the elements of the currents and the magnet is inversely as the square of the distance, and directly as the sine of the inclination, and then presents the mathematical inferences which legitimately flow from these data....

...It begins with the assumption that the force between the elements of the currents and the magnet is inversely as the square of the distance, and directly as the sine of the inclination, and then presents the mathematical inferences which legitimately flow from these data....

...It begins with the assumption that the force between the elements of the currents and the magnet is inversely as the square of the distance, and directly as the sine of the inclination, and then presents the mathematical inferences which legitimately flow in un these data....

...ROOM. Bv KJ ROGERS. AN experiment suitable for junior students which will demonstrate satisfactorily that the intensity of illumination varies inversely as the square of the distance from the source is not easy to arrange. The difficulty in varying the intensity of a source...

.......... .......... (19). 47T/3&- T The amplitude of the vibration radiated outwards is thus inversely as the distance, and directly as the sine of the angle between the ray and the direction in which the force acts. In the latter direction itself there is no transverse...

...written r) .................. (19). The amplitude of the vibration radiated outwards is thus inversely as the distance, and directly as the sine of the angle between the ray and the direction in which the force acts. In the latter direction itself there is no transverse...

...FlQ- 82' illumination. Let AB = a, and a the angle made by the incident rays SB = r on the surface B. It is known that the intensity of illumination varies inversely as the square of the distance of B, and directly as the sine of the angle of incidence. Since r'1 = a'2 + x'2, sin a = x/r...

...from the screen to each light. Repeat several times, with the lights at different distances. Assuming that the intensity of illumination varies inversely as the square of the distance from the source of light, determine the caudle power of the light. EXPERIMENT 58 Angles of...

...equilibrium of moments of force. 3. Show, as a result of the fact that light travels in straight lines, that the intensity of illumination varies inversely as the square of the distance from the light to the body Humiliated. Define the following terms: focus, focal length, conjugate...

...a gas is 000 cc when the pressure is 60 cm., find the pressure if the volume is 150 cc 18. Knowing that the intensity of illumination, /, varies inversely as the square of the distance, D : if a candle throws a certain amount of light on a screen 2 feet distant, what will be...