Genius Jnr - Which of the following is true for a person suffering from myopia? (a) can see far-off objects clearly but near objects appear blurred (b) can be corrected using a convex lens (c) far point is at finite distance and not at infinity (d) near point is beyond 25 cm

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14 Jul 2019

Which of the following is true for a person suffering from myopia?
(a) can see far-off objects clearly but near objects appear blurred
(b) can be corrected using a convex lens
(c) far point is at finite distance and not at infinity
(d) near point is beyond 25 cm

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Medium Optically Denser Medium B Speed Light Mediums B Higher Medium Medium B C Higher Medium B Medi Refractive Index Defined Transparent Opaque Objects True False Many Dots Braille System Use 5 B 6 C 10 11 White Light Passes Prism Deviated Dispersed B Deviated Dispersed C Laterally Displaced Dispersed Ref Myopia Corrected Using Spectacles Convex Lenses B Concave Lenses C Glass Slabs Prisms One Controls Amount Light Entering Eye Pupil B Iris C Cornea Ciliary Muscles Person Suffering Hypermetropia Object Likely See Blurred Object 25 Cm Away B Object 10 Away C Object Following True Person Suffering Myopia See Far Objects Clearly Near Objects Appear Blurred B Correct Position Object Convex Lens Act Magnifying Glass F 2f B F C Beyond F Beyond 2f Splitting White Light Constituent Colours Called Refraction B Dispersion C Deviation Displacement Light Travels Optically Denser Medium Rarer Medium Bends Away Normal B Bends Towards Normal C Undevi Lens Used Correct Myopia Convex Concave Far Point Hypermetropic Eye Finite Distance Eye True False Diverging Lens Forms Real Image Object Placed Beyond F Virtual Image Object Placed F Ture False Object Situated Focal Point Convex Lens Image Formed Smaller Focal Length Thick Lens Thin Lens Transparent Medium Bends Light Amount Irrespective Colour Light True False Prism Emergent Ray Parallel Incident Ray True False Pencil Dipped Obliquely Water Appears Bent Surface Due Dispersion True False Light Enters Water Air Bends Normal Light Bends Passes One Medium Another Phenomenon Called Distinguish Near Point Far Point Eye Order Colours Spectrum White Light White Light Medium Bend Light Glass Water Dispersion Refraction Occur Mean Refraction Light Direction Light Bend Travelling Optically Rarer Medium Optically Denser Medium Write Braille Codes Letters Cataract Lens Eye Becomes Cloudy True False Normal Eye Cannot Clearly See Objects Closer Cm Coin Kept Bottom Glass Bowl Full Water Appears Higher Actually Help Labelled Diagram Explain Happens Meant Persistence Vision Property Eye Used Movies Letters Written Braille System Give Two Examples Mean Accommodation Eye Gives Eye Power Accommodation Concave Lens Always Form Virtual Image Object Draw Diagram Illustrate Define Following Terms Lens Optical Centre B Principal Axis C Principal Focus Focal Length Distinguish Converging Diverging Lenses Explain Term Spectrum Glass Split White Light Constituent Colours Difference Displacement Produced Rectangular Glass Slab Ray Light Deviation Produced Glass Prism Blind Spot Eye Spectrum Formed Blue Light Falls Prism Give Reasons Type Image Formed Rays Light Coming Point Object Diverge Reflection Refraction Real Virtual Suppose Swimming Pool Filled Imaginary Liquid Optically Rarer Air Person Looking Pool Outside Appare Seen Prism Splits Light Different Colours Bends Different Colour Lights Different Amounts Glass Slab Glass Slab Bend Different Coloured Lights Different Amounts Distinguish Myopia Hypermetropia Draw Diagrams Show Defects Corrected Using Suitable Lenses Draw Labelled Diagram Eye Answer Following Questions Light Enter Eye B Muscles Control Focal Length Object Slowly Brought Infinity Focus Convex Lens Image Travels Focus Infinity Show Help Diagrams Fi Light Enters Water Air Change Observed Speed Change Speed Q 1 Causes Change Direction Light Ray Change Observed Light Goes Air Water B Water Air Relation Incident Ray Glass Slab Emergent Ray Deviated Glass Prism Red Light Violet Light Type Lens Thicker Middle Edges Effect Convex Lens Parallel Rays Light Incident Way Effect Concave Lens Different Ray Light Passing Certain Point Lens Undergo Deviation Point Kind Lens Always Forms Virtual Image Object Graph Correctly Shows Quadrilateral Abcd Coordinates Vertices 2 5 B 1 2 C 5 1 6 6 Eye Change Focal Length Lens Part Eye Responsible Changing Focal Length Help Us Person Cannot See Near Objects Clearly Kind Lens Spectacles Correct Convex Concave Farthest Distance See Normal Eye 10000 W 1000 X 100 Z Value Diagram Shows Three Different Light Rays Falling Prisms Complete Diagram Show Refracted Emergent Ray Walking School See Visually Challenged Person Wanting Cross Busy Road Traffic Heavy Nobody Willing S