Microscopy

• light microscopes use light and lenses to form an imagine of a specimen and magnify it. They let us see individual cells and large sub-cellular structures, like nuclei.
• Electron microscopes use electrons instead of light to form an imagine. Have a much higher magnification that light microscope. Let us see much smaller things in more detail - higher resolution
• Magnification= image size/real size (image size and real size should have same units)
• What is the function of the eyepiece in a microscope?


  It magnifies the image of the specimen.
• What is the purpose of the coarse adjustment knob?


  It is used to focus the microscope on the specimen.
• What does the fine adjustment knob do?


  It fine-tunes the focus of the specimen.
• What are the high and low power objective lenses used for?


  They are used to change the magnification of the specimen.
• What is the function of the stage in a microscope?


  It supports the slide containing the specimen.
• What is the role of the light source in a microscope?


  It illuminates the specimen for better visibility.
• What is the purpose of the pencil mentioned in the study material?


  The pencil is likely used for labeling or marking slides.
• Iodine solution is a stain - used to highlight objects in a cell by adding colour to them