Concept explainers
To choose: The correct option.
Answer to Problem 4STP
The correct option is (C),
Explanation of Solution
Given:
Two stars are at a distance of 3.1 light-years apart. They are at an equal distance of 6.2×104 light-years from a telescope in earth. It is observed with a light of wavelength of 610 nm .
Formula used:
Using Rayleigh criterion, two objects at the limit of resolution are separated by a distance
Calculation:
The distance is given in light years. The conversion from light years to metre is given by,
1 light-year=
Here, the wavelength of light is
Conclusion:
Therefore, the correct option for the smallest diameter of the aperture of the telescope is (C),
Chapter 19 Solutions
Glencoe Physics: Principles and Problems, Student Edition
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