The amount of diffraction in a telescope depends on what factor or factors? a) t

Question

The amount of diffraction in a telescope depends on what factor or factors? a) the wavelength used and the telescope size b) the type of focus used c) whether the telescope is a refractor or a reflector d) the brightness of an object and amount of seeing A reason(s) why scientific optical telescopes are reflectors rather than refractors is (are) a) lower cost b) better angular resolution c) better sensitivity d) lower weight e) a and b f) a and d g) all of the above why is the angular resolution of a telescope intrinsically limited? a) refraction b) diffraction c) reflection d) seeing e) the distance of the object you are aiming at f) (d) and (e) The best performance characteristic of the telescope compared to other radio telescope is (a) weight (b) wavelength (c) (d) sensitivity (e) refraction What problem is 'adaptive optics' designed to correct for? a) slight errors in the telescope's mount to compensate for the Earth's rotation b) effects of atmospheric turbulence c) the opacity (ie., non-transparency) of the Earth's atmosphere d) defects in the optics of the telescope e) reduce the amount of background noise in a CCD What is the name of the effect when a light ray (electromagnetic wave) is bent as it passes from one material into another material of different density? a) refraction b) interference c) reflection d) Doppler shift e) diffraction

Explanation / Answer

1] option a is correct.

   differaction limit = 1.22* wavelength (in cm) / diameter telescope (cm)

      So it depends on wavelength used and telescope size.

Related Questions

Navigate

• Browse (All)
• Browse T
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.