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- After focusing the specimen in hpo, you switched the objectives halfway and dropped enough immersion oil before clicking the oio lens into place. but when you viewed the specimen, you found the image to be blurred. what should you do:Describe the process to get a specimen into view using the 40X objective starting from the point after you have plugged in your scope and cleaned the objectives and slide.Which of the following parts was absent from Leeuwenhoek’smicroscopes?a. focusing screwb. lensc. specimen holderd. condenser
- Using the scanning (4x) objective and the metric ruler, record the number of millimeters you see along with the letter “e.” Your value: 2 millimeters Convert the figure you attained to micrometers (1 millimeter = 1,000 micrometers). This is the diameter of the field of view for the low-power objective (LPD). The field of view is the circular field you see when you look through the oculars. The field of view changes at different magnifications. Your value (LPD): 2,000 micrometers -please help me with the problem in the picture.Put the steps for using a microscope in order. While looking through the eyepiece, use the coarse adjustment knob to bring the object roughly into focus. Lower the stage as far away from the objectives as possible. Use the fine adjustment knob to bring the object into sharp focus. Turn on the light. Place the slide on the stage and center it. Turn the nosepiece to the lowest power objective.Write the corresponding letter to the correct Term: _____ Base _____ Coarse adjustment _____ Diaphragm _____ Fine adjustment _____ Stage centering _____ Objective lenses _____ Ocular _____ Nosepiece
- The primary difference between a TEM and SEM is in a. magnification capability b. colored versus black-and-white images c. preparation of the specimen d. type of lensesThe numerical aperture of the an objective lens: indicates magnification indicates the clarity indicates light capturing ability indicates the approprite useMatch the lens (condenser, high-dry, low-power, ocular, or oil immersion) to itsdescription. Choices may be used more than once. This lens collects and focuses light from the lamp onto the specimen on the slide.
- These cells are being viewed under high power. Use the length of just one cell to estimate the number of cells that can fit into the FOV. Scanning power objective = 5X; Low power objective = 40X; High power objective = 100X; Eyepiece = 10X; Low power field of view (FOV) = 1.5 mmThe field of view under the 4x objective is 3.3mm and a specimen looks like they can fit about 10 times across the field of view.Here are the materials and method for the basic spectrophotometer experiment Materials:1. Paper template2. Scissor3. Light source (i.e. torchlight, portable light)4. Paperboard (black colour)5. Unused compact disc (CD)6. Camera detector (i.e. webcam, laptop, mobile phone) Methods: 1. Make a foldable paper spectrophotometer using the paper template and followthe instruction as in https://publiclab.org/sites/default/files/8.5x11minispec3.8.pdf2. Then, mounted the paper spectrophotometer to the camera detector.3. Download any freely available spectral analyzer.4. Test and observe the wavelength with and without the presence of a light source.5. Finally, observe the wavelength with a different transparent colour sheets (you canchoose any colour). Troubleshooting/ problem(s) encountered for basic spectrophotometer experiment.
