RU5466U1 - LEARNING AND EDUCATIONAL GUIDE TO L-MICRO FOR THE STUDY OF OPTICAL PHENOMENA - Google Patents

Abstract

1. The educational aid α-micro for studying optical phenomena, including a screen, a light source, a light filter, characterized in that it is equipped with an installation table made in the form of a sheet of magnetically conductive material, on which a set of optical elements of equipment is installed through the stands, and the base of the stands is equipped with magnetic strips, and either prisms or a screen, or bulbs, or an LED emitter, or a photodiode sensor, or a photocell equipped with a pin are fixed on the front side GOVERNMENTAL elektrognezdami shank or holder universal vertical rectangular shape with a through circular hole in the center and the magnetic stripes on the front plane for fixing or lenses or diffraction grating or mirror or polyaroida.2. The manual according to claim 1, characterized in that the bulbs are fixed on the brackets with the possibility of rotation around an axis passing through the fastening of the lower shelf of the bracket to the stand, moreover, both the lamp base and the lower shelf of the bracket are connected to the shanks of the electric sockets. 3. The manual according to claim 1, characterized in that the screen is provided with a vertical slot extending in its middle. The manual according to claim 1, characterized in that the photocell is equipped with a casing with a vertical slot passing in its middle. The manual according to claim 1, characterized in that the lenses, polaroid, diffraction grating are fixed in washers equipped with metal stripes at the ends to fix them on a vertical universal holder.

Description

Educational visual aid - micro for the study of optical phenomena refers to textbooks for students studying physics and is intended to form the ability of students to use optical devices when studying laws and phenomena when light passes through optical instruments and devices.

A device for teaching deaf speech in AS USSR j 343290, class A 01 P 11/00, which uses optical elements to increase the distinguishability effect. However, this device has limited use.

Known Block presentation of information for educational devices on.with. USSR; - II87I99, class at 09 V 5/02, which also uses various optical means for both training

and to control student knowledge. However, this device

has a quantity of optical means used, and therefore

and limited study of optical phenomena.

The essence of the utility model, i.e. teaching aid - micro for studying optical phenomena consists in the fact that it consists of an installation table, on which a set of optical equipment elements is installed through the stands, the base of the stands being provided with magnetic strips and either prisms or a screen are fixed on the front side, or light bulbs, either an LED emitter, or a photodiode sensor, or a photocell equipped with output electrical sockets, or a vertical universal holder of a rectangular shape with a through

- 2 round hole in the center and magnetic strips on the end plane for fixing either lenses, or diffraction grating, or mirror, or polaroid. The bulbs on the stands are mounted on J-shaped brackets with the possibility of rotation around an axis passing through the fastening of the lower shelf to the stand, and both the base and the lamp and the lower shelves of cruststein are connected to the shanks of the electric sockets. The screen is equipped with a vertical slot passing in its middle. In addition, the stand with the photocell is equipped with a casing with a vertical slot extending in its middle, and optical devices such as lenses, polaroid, diffraction grating are fixed in washers equipped with metal strips along the end planes to fix them on a vertical holder.

Such a teaching aid, a micro one for studying optical phenomena, will allow students to study all light phenomena, such as the law of the straight-line propagation of light, the decomposition of white light into colored rays, determining the wavelength of light, the laws of light reflection and its passage through lenses and prisms.

In FIG. I shows a general view of the teaching aid csf micro for studying optical phenomena, FIG. 2 section AA of FIG. I, and in FIG. 3, section BB of FIG. 1.

A teaching aid with micro for studying optical phenomena consists of an installation table I made of a sheet of magnetically conductive material. On table I, there is a set of individual items of equipment necessary for studying optical phenomena, such as a white screen 2 on a stand 3, a through-hole is made in the middle part of the screen from the base to the top in height

the slot 4, and the stand 3 is equipped with a magnetic strip for installation and firmly hold the screen on the installation table, on which stands 5 with various equipment are also installed. On

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- 3 of one of the sub-threads 5, the bulbs 6 are fixed, with the help of the shaped brackets 7, with the possibility of turning the bracket around the axis of fixing the lower shelf of the bracket to the stand. Both the bulb base and the lower bracket shelf are connected about the shanks 8 of the electrical socket 9 for connecting the bulbs to the mains. On

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others used LED emitter 10, photodiode II, photocell 12, each of these elements mounted on separate vertical holders 13 mounted on its stand 5. The base of each stand 5 is equipped with magnetic strips 14 to hold them firmly on the setting table I. Output ends 15 of the LED emitter 10, photodiode II and the photocell 12 are closed from the shank 8 of the electrical socket 9, located on the front side of the stand 5. On the front side of these stands there is a positive output sign. Photocell 12 is equipped with a protective casing (not shown in the drawing) with a vertical slot in its middle.

The teaching aid includes a set of prisms 16, lenses 17, a mirror 18 and poloroids 19, a diffraction grating 20, and the lenses, polaroids and diffraction grating are each mounted in their own round flat washers 21, on one of the planes of which, as well as on the mirror metal strips are fixed by means of which these elements can be fixed on a universal holder 22 made in the form of a vertical rectangle 23 with a through circular hole, the diameter of which is equal to the diameter of the lenses, diffraction grating, or polaroid. Each rectangle is mounted on its own stand 5, and magnetic strips 24 are fixed on one side of the rectangle 24. The front side of the lens stand should be painted white, since when the light beam passes through the lens, the path of the beam is more clearly visible on a white background. The educational and visual aid is equipped with connecting wires and a current source (not shown in the drawing // //).

The educational and visual aid works as follows. The teacher, guided by one task or another, depending on the studied optical phenomenon, offers students to select the necessary elements of equipment on the installation table. If necessary, students should assemble the circuit using connecting wires, a current source, and a stand with light bulbs. The light from the light bulb is sent to the screen and with the help of any object installed between the screen and the light bulb, a shadow forms on the screen, while students must focus on the straightness of light distribution. When directing light through a gap in the screen and directing it to a prism, students can observe both the refraction of light rays and the decomposition of white light into colored rays. When viewing light rays through a diffraction grating, students observe first- and second-order spectra on both sides of the lamp, which, using the appropriate technique, makes it possible to determine the light wavelength. By connecting a LED emitter to a current source, students study the phenomenon of light emission when a current passes through it, and when using a photodiode sensor, the opposite phenomenon occurs when the current conductivity on the photodiode appears under the action of light. When directing light from a light bulb to a polaroid, students learn the ability to transmit light of a certain polarization.

Thus, such a visual aid and its use in practical exercises at physics lessons in secondary schools allows the teacher to demonstrate many optical phenomena, and the students themselves reproduce and observe optical phenomena on the simplest devices and installations. The educational and visual aid is easy to use and facilitates the work of teachers in conducting physics lessons in secondary schools and makes them more convenient than M-f / MVY

 4

okay and interesting.

Claims (5)

1. The educational aid α-micro for studying optical phenomena, including a screen, a light source, a light filter, characterized in that it is equipped with an installation table made in the form of a sheet of magnetically conductive material, on which a set of optical elements of equipment is installed through the stands, and the base of the stands is equipped with magnetic strips, and either prisms or a screen, or bulbs, or an LED emitter, or a photodiode sensor, or a photocell equipped with a pin are fixed on the front side GOVERNMENTAL elektrognezdami shank or holder universal vertical rectangular shape with a through circular hole in the center and the magnetic stripes on the front plane for fixing or lenses or diffraction grating or mirror or polarizer. 2. The allowance under item 1, characterized in that the light bulbs are mounted on

the brackets can be rotated around an axis passing through the fastening of the lower shelf of the bracket to the stand, and both the lamp base and the lower shelf of the bracket are connected to the shanks of the electric sockets.  3. The allowance under item 1, characterized in that the screen is equipped with a vertical slot, passing in its middle.  4. The manual according to claim 1, characterized in that the photocell is equipped with a casing with a vertical slot passing in its middle. 5. The manual according to claim 1, characterized in that the lenses, polaroid, diffraction grating are fixed in washers equipped with metal stripes at the ends to fix them on a vertical universal holder.