Geometrical OpticsHard
Question
An astronomical telescope has a large aperture to
Options
A.reduce spherical aberration
B.have high resolution
C.increase span of observation
D.have low dispersion
Solution
Large aperture increases the amount of light gathered by the telescope increasing the resolution.
Create a free account to view solution
View Solution FreeMore Geometrical Optics Questions
Diameter of a plano-convex lens is 6cm and thickness at the center is 3 mm. If speed of light in material of lens is 2 &...When a ray of light is incident normally on a plane mirror then the angle of reflection will be...A point object is placed at a distance of 20 cm from a thin plano-convex lens of focallength 15 cm, if the plane surface...An equiconvex lens is forming an image on a screen of an object placed on principle axis of the lens. If half the portio...Angle of incidence for a prism (μ = √3) is double of the angle of refraction angle of incidence is:-...