PPSC Physics Chapter 4 Geometrical Optics With Answers

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PPSC Physics Chapter 4 Geometrical Optics

Sr. # Questions Answers Choice
1 Persistence of vision is the phenomenon of the eye by which an afterimage is thought to persist for approximately one twenty faith of a second on the. Retina Heart Mind Liver
2 Which parameter determines the brightness of a light source sensed by an eye. Light energy entering the eye Wavelength of light Total radiant flux entering the eye Total luminous flux entering the eye
3 What is the type of corrective lens used to correct or enhance the vision is only one eye. Axicon Monocle Zoom lens Camera lens
4 Which eye defect can be rectified by using diverging lens. Near sightedness Far sightedness presbyopal Astigmatism
5 Which type of microscope was the first to be developed. Optical microscope Digital microscope Electron microscope All were developed at the same time
6 Which is the branch of medicine that deals with the anatomy physiology and diseases of the eye. Ophthalmology Psychology Andrology Gynecology
7 Which is the health care profession concerned with eyes as well as vision visual system and vision information processing in humans. Optometry Ophthalmology Telemetry Psychology
8 What is the refractive power of cornea in humans. 13 dioptres 23 diaoptres 33 dioptres 43 dioptres
9 Which was the transparent front part of the eye that covers the pupil, iris and interior chamber. Cornea Fovea Sclera Choroid
10 Which part of hole located in the centre of the eye that allows light to enter the retina. Iris Pupil Cornea Fovea
11 Which is the thick circular structure in teh eye containing an aperture with variable diameter It controls the amount of light reaching the retina. Retina Iris Pupil Cornea
12 Eye colour is the colour of Iris Retina Comea Pupil
13 Which is the light sensitive tissue in human eye Retina pupil Iris Cornea
14 A young man wearing glasses does not require bifocals because he Is farsighted Has the ability to accommodate Is short signed Does not suffer from coma
15 Short sightedness in the eye occurs due to the. Contraction of eyeball Increases in focal length of eye lens Reduction in focal length of eye lens Reduction in distance between retina and eye lens
16 Which of the following does not produced an erect image. Galilean telescope Terrestrial telescope Prism binoculars Astronomical telescope
17 The image of distant object as seen through as astronomical telescope is. Real and inverted Virtual and inverted Real and erect Virtual and erect
18 The ability of eye to focus near as well as distant object is termed as. Myopia Persistence of vision Power of accommodation Astigmatism
19 Which of the following is used as a remedy for defect of hypermetropia. Convex lens Concave lens Cylindrical lens Bifocal length lens
20 A pencil dipped partially into water appears bent because of. Reflection of water surface Diffraction of water surface Refraction of water surface Water is a fluid
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