题目 24 A beam of light consists of yellow and blue light.The beam of light is incident on a glass prism.Which diagram is correct? D AB yellow blue blue yellow glass prism glass prism Dglass prism glass prism blue yellow yellow blue 相关知识点: 试题来源: 解析 D 反馈 收藏 ...
26. The diagram below shows a mug. A beam of light is shone onto the mug to form a shadow on a white wall in a dark room.Which of the following could possibly be the shadows formed? (3)A BC D(1) A and C only(2) B and D only(3)A, B and D only(4)A, B. C and D ...
76. The diagram shows a semicircle with centre O. A beam of light leaves the point M in a direction perpendicular to the diameter PA, bounces off the semicircle at C in such a way that angle MCO=angle OC B and then bounces off the semicircle at B in a similar way, hitting A. Dete...
42. The diagram below shows a beam of unpolarised light of intensity Io which passes through polarisers P1 and P2.Unpolarised beam45°Direction of polarisation P1P2The intensity of the light after passing through P2 is B1/8I0 B 1/4I3/8I0 相关知识点: 试题来源: 解析 B 反馈 收藏 ...
25 The diagram shows a parallel, cylindrical light beam of diameter d incident on a thin converging lens. A screen is place d a distance equal to two focal lengths 2f from the lens.2f+beam of light lens screen Which diagram shows the size of the spot of light seen on the screen? C ...
Also called visible light. b. Electromagnetic radiation of any frequency or wavelength. 2. The sensation of perceiving light; brightness: a sudden light that made me blink. 3. a. A source of light, especially a lamp, a lantern, or an electric lighting fixture: Turn out the lights when ...
19 A diagram shows the structure of a compact disc. A laser light beam is directed at right angles to the underside of the disc.Reflective Alayer BTransparent plastic layer Air Beam of laser light The wavelength of the laser light in the transparent plastic layer is 414 nm refractive index...
Inpolarizing beamsplitterprisms, the two beams that are polarized at right angles to each other both emerge from the prism but are separated spatially.Figure 4shows a diagram of several types of polarizing beamsplitter prisms andFigure 5shows the paths of rays through side views of these prisms...
The first production of an effusive molecular beam had been demonstrated by Dunoyer [46] in 1911 and the applications of the beam methods have been developing ever since [47]. The first use of light atom and molecule beam scattering in the investigations of structural properties of surfaces was...
Fig. 1: Two types of modes. A schematic diagram of LG beam (left) and MVGB (right) Currently, there are two areas of development of optical communications using OAM modes. The first method is OAM shift keying when the information is encoded in thelvalue of the OAM beam. The second met...