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Resolving power (telescope)
θ = 1.22λ/D
Where: D = screen distance (m), λ = wavelength (m) / decay constant, θ = angle
Solved example
Given: D = 7, lamda = 5
Find: theta (angle)
- Formula: θ = 1.22·λ/D
- Substitute the values: θ = 1.22·5/7
- Result: θ = 0.871429 rad
Answer: theta = 0.871429 rad
Calculator
How to calculate Resolving power (telescope)
- Write down the formula: θ = 1.22λ/D.
- Note the known values (D, λ).
- Substitute them and simplify to find theta.
- Use the calculator above to solve for any letter.
Frequently asked questions
What is the formula for Resolving power (telescope)?
The formula is θ = 1.22λ/D, where D = screen distance (m), λ = wavelength (m) / decay constant, θ = angle.
What is Resolving power (telescope) when D = 7, lamda = 5?
theta = 0.871429 rad. Substitute the values into θ = 1.22λ/D and simplify.
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