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What is the diameter of the high power field of a microscope in micrometers?
the diameter of the high power field microscope is 500 micrometers
What is cell is approximately 13 the diameter of the field of vision using high power and the diameter of the field of vision for high power is 600 micrometers what is the size of this?
To find the size of the cell, you can divide the diameter of the field of vision by 13. Given that the diameter of the field of vision at high power is 600 micrometers, the calculation would be: 600 micrometers / 13 ≈ 46.15 micrometers. Therefore, the size of the cell is approximately 46.15 micrometers.
How high can water rise in a capillary tube that is 0.1 millimeters in diameter?
The height to which water can rise in a capillary tube is calculated using the equation h = 2γcos(θ)/ρgr, where γ is the surface tension of water, θ is the contact angle, ρ is the density of water, g is the acceleration due to gravity, and r is the radius of the tube. For a tube with a diameter of 0.1 mm, the radius would be 0.05 mm. Water typically has a contact angle close to 0, resulting in a high degree of wetting, allowing it to rise several millimeters in a capillary tube of this size.
Why water in a tumbler goes in the capillary tube?
Water rises in a capillary tube due to capillary action, which is the result of cohesive forces between water molecules and adhesive forces between water and the tube's surface. The narrow diameter of the tube enhances these forces, allowing the water to climb against gravity. This phenomenon is particularly pronounced in materials with high surface tension, such as water, making it an essential principle in various biological and physical processes.
What determines how high water will climb in a capillary tube?
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Why is the diameter of the capillary tube very small?
The diameter of a capillary tube is very small to facilitate capillary action, which is the ability of a liquid to flow in narrow spaces without external forces. This small diameter creates a high surface-to-volume ratio, enhancing the adhesive forces between the liquid and the tube's walls, while also minimizing gravitational effects. Additionally, a smaller diameter increases the velocity of fluid flow, making it efficient for transporting liquids in biological and industrial processes.
You are looking at a slide in the laboratory and observe a cell that occupies one quarter of the field of view at high magnification. Use your field-diameter calculation from lab activity 4 to estima?
To estimate the size of the cell occupying one quarter of the field of view, first determine the diameter of the field at high magnification from your lab activity. If the diameter is, for example, 400 micrometers, then the area of the entire field is approximately 125,600 square micrometers (using the formula for the area of a circle: A = πr²). Since the cell occupies one quarter of this area, its area would be about 31,400 square micrometers. To find the approximate diameter of the cell, you can rearrange the area formula (A = πr²) to solve for r, and then multiply by 2 to find the diameter.
What has greatest capillary action?
Water has the greatest capillary action due to its strong hydrogen bonding and cohesive properties, allowing it to easily move through narrow spaces and against gravity. Other liquids with high capillary action include mercury and ethanol.
Why is glomerulus a high pressure capillary bed?
The diameter of the afferent renal arteriole narrows progressively more and more into the glomerular capillaries, with the same blood flow, leading to an increase in pressure within the glomerulus. This is so that the high pressure can force solutes and water across into the Bowman's capsule for the renal tubules.
What are the eight properties of water?
The eight properties of water are cohesion, adhesion, high specific heat, high heat of vaporization, lower density as a solid, universal solvent, high surface tension, and capillary action. These properties make water essential for life and various natural processes.
What causes Plasma oncotic pressure?
The capillary oncotic pressure is higher because of the plasma proteins trapped within the capillaries. The high oncotic pressure pulls the water from from the interstitium into the capillary.
What is the size of the lumen in a capillery?
The lumen of a capillary is typically very narrow, with a diameter ranging from about 5 to 10 micrometers. This small size allows red blood cells to pass through in single file, facilitating efficient gas exchange and nutrient delivery to surrounding tissues. The narrow lumen also plays a crucial role in maintaining high surface area-to-volume ratios, enhancing the efficiency of diffusion.
