Microscopes

Under a light microscope, an algae cell may appear as a green, oval-shaped structure with chloroplasts. Under a scanning electron microscope, the cell would show more details of its surface structure. Under a transmission electron microscope, the internal structures of the cell, such as the nucleus and mitochondria, would be visible in high resolution.

Under a microscope, ink appears as finely dispersed particles or pigments suspended in a liquid medium. The individual particles can be observed with much greater detail and clarity compared to the naked eye, allowing for a closer examination of the ink's composition and structure. This level of magnification can reveal unique characteristics or properties of the ink that may not be visible to the unaided eye.

A transmission electron microscope (TEM) is used to examine thin slices of specimens that are typically less than 100 nanometers thick. This type of microscope can provide ultra-high resolution images by passing electrons through the specimen to create detailed images of the internal structures.

A dissecting microscope is typically used to view larger, three-dimensional samples such as insects, plants, or circuit boards with lower magnification. It provides a stereoscopic view and allows for manipulation and dissection of samples due to its larger working distance and field of view.

The simple microscope was invented by Dutch scientist Antonie van Leeuwenhoek in the late 17th century. He used his handcrafted lenses to observe minute living organisms, revolutionizing the field of microscopy.

Transmission electron microscopes (TEM) and scanning electron microscopes (SEM) are capable of showing more detail compared to light microscopes. TEM utilizes electrons to pass through a specimen to create an image with high resolution and magnification. SEM scans a focused beam of electrons across a specimen's surface to produce a detailed 3D image.

A compound microscope uses two or more glass lenses to magnify living or prepared slides. The objective lens closest to the specimen magnifies the image, and the eyepiece lens further magnifies the image for viewing.

It is impossible to provide an exact number of microscopes that exist in the world due to the vast number of research institutions, universities, hospitals, and industries that use microscopes. The number of microscopes is constantly changing as new ones are produced and older ones are retired.

Transmission electron microscope (TEM) is commonly used to study structured organelles as it provides high-resolution images by transmitting electrons through the sample. It allows detailed visualization of internal structures within cells at a nanometer scale.

Spicemen must be placed in a vacuum chamber. Since living cells cannot survive in a vacuum, they cannot be viewed using elctron microscopes.

Lenses are used to magnify images in a light microscope. These lenses include the objective lens and the eyepiece lens. By adjusting the focus of these lenses, the magnification of the specimen can be increased for detailed observation.

A microscope is useful in determining the actual size of a specimen because it magnifies the image, allowing for detailed observation of the structure and dimensions of the specimen. By comparing the magnified image to a calibrated scale, scientists can accurately measure the size of the specimen.

Cells are stained or dyed before being viewed under a light microscope to enhance their visibility by adding color to specific parts of the cell, making it easier to identify different structures. Staining can help researchers distinguish between different cell types, visualize cellular structures more clearly, and highlight specific components of interest within the cell.

Oak leaves are not suitable for viewing under a microscope because they are thick and have a lot of tannins, making them difficult to see through clearly. Additionally, the surface of an oak leaf can be rough and uneven, making it challenging to get a clear image under a microscope. It's better to use thinner and more transparent plant specimens for microscopy.

A compound light microscope is commonly used to view living cells as it utilizes light to illuminate the specimen without damaging it. This type of microscope allows for observation of cells in their natural state, providing valuable insight into their behavior and functions.

The invention of the microscope in the 17th century allowed scientists like Robert Hooke to observe and study tiny compartments in cork, which he described as "cells." This discovery contributed to the development of cell theory in biology.

The diaphragm on a microscope is a circular disk placed beneath the stage that controls the amount of light entering the specimen. By adjusting the diaphragm, you can improve the contrast and clarity of the image by regulating the amount of illumination.

Before the microscope, people believed that the body was made of a balance of four elemental substances: earth, water, air, and fire. This theory, known as the theory of the four humors, influenced medical practices for centuries and was based on the idea that an imbalance of these substances caused illness.

If the total magnification is 200x and the objective has a magnification of HPO, then the eyepiece would have a magnification of 200/HPO. So, if the objective has a magnification of 20x (assuming HPO=20), then the eyepiece would have a magnification of 200/20 = 10x.

Hi, Robert Hooke had made it. He kept the name as " cells" which means ROOMS. For more information refer NCERT 8th class Science textbook. ...

Light microscopes are versatile tools used in scientific research, education, and industry due to their ability to image a wide range of samples with high resolution. They are relatively simple to use, cost-effective, and can provide real-time imaging of living samples in their natural environments. Additionally, they offer a non-destructive way to study samples, making them valuable for various applications.

The most important use of a microscope in daily life is in the field of medicine. Microscopes are essential for diagnosing diseases, identifying pathogens, examining tissues and cells, and conducting research to develop new treatments and therapies. They also play a crucial role in fields such as biology, chemistry, materials science, and environmental science.

The specimen or sample being examined under a microscope is typically referred to as the "specimen." This can be anything from cells, tissues, or other material being studied or observed under the microscope.

Microscopes typically consist of an eyepiece, objective lenses for magnification, a stage where the specimen is placed, and a light source for illumination. Some microscopes also have fine and coarse adjustment knobs for focusing, a condenser to focus light on the specimen, and a mechanical stage for precise movement of the specimen.

Yes, organelles such as nucleus, mitochondria, and chloroplasts can be seen through a microscope using various staining techniques to enhance their visibility. The use of different microscopy methods, such as electron microscopy, can provide higher resolution images of organelles within a cell.