Experiment 28 Refractive index of glass
ã€Purpose requirement】
1. Use the law of refraction to measure the refractive index of glass;
2. Understand the basic methods of measuring the refractive index of glass bricks by visual inspection method and optical path method;
3. Learn to use pin and ruler to determine the direction of incoming and outgoing light and determine the position of the virtual image by parallax method;
4. Correctly master the use of semiconductor lasers and reading microscopes.
ã€Experimental Principle】
1. The law of refraction and refractive index
2. Measuring the refractive index by visual inspection
3. Optical path method to measure refractive index
4. The concept of parallax
ã€Experiment content】
1. Determining the refractive index of glass bricks by visual inspection
2. Optical path method to measure the refractive index of glass bricks
ã€Instruments】
Serial number
equipment name
Model / Specification
Unit price (yuan)
Remarks
1
A semiconductor laser
10mW
1500
Compatible with other experiments
2
Reading microscope
JXD-B / 0-50mm, 45 ° strabismus
1800
Glass brick, wooden board, white paper, pin, ruler, protractor (provided by yourself)
Glass Single Wall Bottle is made of high-quality glass. It is crystal clear, healthy and environmentally friendly. You can directly see the whole picture of your favorite drinks.
It has single wall. It sacrifices thermal insulation and improves portability. Holding it in your hand all the time will not cause any discomfort.
Glass Single Wall Bottle,Single Wall Drinking Bottle,Single Wall Glass Drinking Bottle,Single Wall Heat Transfer Printing Bottle
Ningbo Auland International Co.,Ltd. , https://www.everwaterbottle.com