QUESTION IMAGE
Question
objective lens
type: scanning, low, high
ocular magnification
objective magnification
total magnification
To complete the table for microscope objective lens magnification (a common topic in Natural Science - Biology/Physics), we use the formula for total magnification:
Step 1: Recall Total Magnification Formula
Total magnification (\( M_{\text{total}} \)) is the product of the ocular (eyepiece) magnification (\( M_{\text{ocular}} \)) and the objective lens magnification (\( M_{\text{objective}} \)):
$$ M_{\text{total}} = M_{\text{ocular}} \times M_{\text{objective}} $$
Step 2: Typical Ocular Magnification
Most microscopes have an ocular magnification of \( \boldsymbol{10\times} \) (standard for educational/ lab microscopes).
Step 3: Objective Lens Magnifications
- Scanning Objective: Typically \( \boldsymbol{4\times} \) (low power, wide field of view).
- Low - Power Objective: Typically \( \boldsymbol{10\times} \) (common low - power lens).
- High - Power Objective: Typically \( \boldsymbol{40\times} \) (or \( 100\times \) for oil immersion, but \( 40\times \) is common for high - dry).
Step 4: Calculate Total Magnification
For each objective:
- Scanning (\( 4\times \)): \( M_{\text{total}} = 10\times \times 4\times = 40\times \)
- Low (\( 10\times \)): \( M_{\text{total}} = 10\times \times 10\times = 100\times \)
- High (\( 40\times \)): \( M_{\text{total}} = 10\times \times 40\times = 400\times \) (or \( 1000\times \) for \( 100\times \) objective with oil immersion)
Filling the Table (assuming ocular = \( 10\times \)):
| Objective Lens Type | Ocular Magnification | Objective Magnification | Total Magnification |
|---|---|---|---|
| Low | \( 10\times \) | \( 10\times \) | \( 100\times \) |
| High | \( 10\times \) | \( 40\times \) | \( 400\times \) |
(Note: If the ocular magnification differs (e.g., \( 5\times \), \( 15\times \)), adjust the total magnification accordingly using \( M_{\text{total}} = M_{\text{ocular}} \times M_{\text{objective}} \).)
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Step 1: Recall Total Magnification Formula
Total magnification (\( M_{\text{total}} \)) is the product of the ocular (eyepiece) magnification (\( M_{\text{ocular}} \)) and the objective lens magnification (\( M_{\text{objective}} \)):
$$ M_{\text{total}} = M_{\text{ocular}} \times M_{\text{objective}} $$
Step 2: Typical Ocular Magnification
Most microscopes have an ocular magnification of \( \boldsymbol{10\times} \) (standard for educational/ lab microscopes).
Step 3: Objective Lens Magnifications
- Scanning Objective: Typically \( \boldsymbol{4\times} \) (low power, wide field of view).
- Low - Power Objective: Typically \( \boldsymbol{10\times} \) (common low - power lens).
- High - Power Objective: Typically \( \boldsymbol{40\times} \) (or \( 100\times \) for oil immersion, but \( 40\times \) is common for high - dry).
Step 4: Calculate Total Magnification
For each objective:
- Scanning (\( 4\times \)): \( M_{\text{total}} = 10\times \times 4\times = 40\times \)
- Low (\( 10\times \)): \( M_{\text{total}} = 10\times \times 10\times = 100\times \)
- High (\( 40\times \)): \( M_{\text{total}} = 10\times \times 40\times = 400\times \) (or \( 1000\times \) for \( 100\times \) objective with oil immersion)
Filling the Table (assuming ocular = \( 10\times \)):
| Objective Lens Type | Ocular Magnification | Objective Magnification | Total Magnification |
|---|---|---|---|
| Low | \( 10\times \) | \( 10\times \) | \( 100\times \) |
| High | \( 10\times \) | \( 40\times \) | \( 400\times \) |
(Note: If the ocular magnification differs (e.g., \( 5\times \), \( 15\times \)), adjust the total magnification accordingly using \( M_{\text{total}} = M_{\text{ocular}} \times M_{\text{objective}} \).)