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10 0 obj Use the thin lens equation to find the distance of the image. Diagram: (Given + Unknowns) Equation. endobj Trace at least one pattern of this type. They should try to describe any images they form in terms of magnification, upright or inverted, real or … Then reverse the order of the lenses. 1 0 obj They are:- 1. stream In this article, we will learn about image formation by concave and convex lenses. 0000025991 00000 n Convex lenses are also known as converging lenses since the rays converge after falling on the convex lens while the concave lenses are known as diverging lenses as the rays diverge after falling on the concave lens. convex lens both convex and concave lenses concave lens Question 2 Recall: The first microscope could magnify small objects by 9 times 3 times 270 times Question 3 Match: The terms endoscope, microscope and telescope are used in either the Cosmos magazine article or … 9 0 obj endobj The lens has a focal length of 35 millimeters. 7) A 2-meters-tall person is located 5 meters from a camera lens (camera lenses are convex lenses). In this article, we will learn about image formation by concave and convex lenses. x��T]k�0}7�?�G�4�>#9���tcc�t5�a��s��#q6�[�?I�6����n.�u��='G��&������t [ 9 0 R] 0000080785 00000 n 0000002391 00000 n endobj 0000072327 00000 n trailer << /Size 158 /Info 115 0 R /Root 119 0 R /Prev 95528 /ID[<9f2bee5f47d7913ed6f220dfb6da021e><5c496309e0b212f2a447c71de6696d27>] >> startxref 0 %%EOF 119 0 obj << /Type /Catalog /Pages 117 0 R /Metadata 116 0 R /Outlines 1 0 R /OpenAction [ 121 0 R /XYZ null null null ] /PageMode /UseNone /PageLabels 114 0 R /StructTreeRoot 120 0 R /PieceInfo << /MarkedPDF << /LastModified (D:20030620153248)>> >> /LastModified (D:20030620153248) /MarkInfo << /Marked true /LetterspaceFlags 0 >> >> endobj 120 0 obj << /Type /StructTreeRoot /ClassMap 13 0 R /RoleMap 12 0 R /K 92 0 R /ParentTree 107 0 R /ParentTreeNextKey 1 >> endobj 156 0 obj << /S 36 /O 131 /L 147 /C 163 /Filter /FlateDecode /Length 157 0 R >> stream 8 0 obj 2 0 obj <> 2. <> <>/OutputIntents[<>] /Metadata 759 0 R>> H�b``Pc``�b```��g�8�� +C1�8?s� _o���N�k���BR���%=X#����)Mk|f����!����e ���~i.�Z ]���� x��YKo�F���#D�}r������h� m# ��E�$�J�۟ߙ�Ò�4mg��)ZZ��f�� H��W�n��}��ЏI�K����8�F��lfG���ь�����&�$k �S:}�:u�Û�ŏ?�|���!�O?}��vss{���6�#λ�F�Nln�����k{{:����N��������p����7B��Ǎl��A������M(��<5��26֊dcU���y���s{�����t�m��b{|��_�?�_�l~������\W���t9�k8��_F�&j�iBJ��r��N~O! endobj 7) A 2-meters-tall person is located 5 meters from a camera lens (camera lenses are convex lenses). <> stream concave lens (and hence can be used to magnify or demagnify objects, and to form real or virtual images) depending on the po- larization state of the light passing through it: see Figure 3. Lecture 37: Lenses and mirrors •Spherical lenses: converging, diverging •Plane mirrors •Spherical mirrors: concave, convex The animated ray diagrams were created by Dr. Alan Pringle. %PDF-1.4 0000011857 00000 n 6. <> For each case, draw the 3 principal rays to locate the image. Generally, a convex lens forms a real image, but it can also create a virtual image when the object is in the middle of the focus and optical centre. 6 0 obj Convex and Concave Lenses Gap Filling Quiz. The focal length of a convex lens is positive, while that of a concave lens is negative. 0000011880 00000 n Fill in all the gaps by choosing the correct answer from the dropdown menu Each word is to be selected only once Then press the Check button to see your result. 0000075291 00000 n block that causes light to refract to form an image. endobj 0000014364 00000 n g���#B(cD�b� `M}>�*�(�0dD �-��I]z�Jrp/|D��(f ��`����n��ӻ8 Negative (Concave) Positive (Convex) Sign convention. %���� 4 0 obj PDF | On Apr 26, 2013, Shuang Zhang and others published Metalens with convex and concave functionality | Find, read and cite all the research you need on ResearchGate 0000020147 00000 n <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 720 540] /Contents 4 0 R/StructParents 0>> 0000022906 00000 n _�,�c�O��?`�|��9�h��K���X�����%H��*7��YB����� ��]�|e��M�f݅{kM�JT�i`}s��m"R����qq��-�pe���@d� <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 720 540] /Contents 13 0 R/StructParents 1>> convex lens both convex and concave lenses concave lens Question 2 Recall: The first microscope could magnify small objects by 9 times 3 times 270 times Question 3 Match: The terms endoscope, microscope and telescope are used in either the Cosmos magazine article or … 6. 0000017453 00000 n endstream 0000006844 00000 n 1.R 11 and R 2 2 0000022929 00000 n 0000003781 00000 n 3. <> Focal length f is positive for converging and negative for diverging lenses. Diverging Meniscus. Physics 152 Convex & Concave MIRROR Worksheet The same object (height = y) is placed at several different distances s to the left of the same mirror (focal length = f). 0000076582 00000 n R 1 and R 2 are positive for convex outward surface and negative for concave surface. 0000003341 00000 n Concave Lens. endobj 7 0 obj 0000002621 00000 n 0000014387 00000 n endobj Diagram: (Given + Unknowns) Equation. 0000075005 00000 n Converging Meniscus. 0000001896 00000 n Plano-Convex Lens. 0000003875 00000 n A concave surface is like the interior of a circle. Sub . 0000009144 00000 n A 10 mm long awl pin is placed vertically in front of a concave mirror. Sub . 12 0 obj 118 0 obj << /Linearized 1 /O 121 /H [ 1642 276 ] /L 98018 /E 81993 /N 1 /T 95539 >> endobj xref 118 40 0000000016 00000 n 6b) A 15.0 cm object is placed 10.0 cm from a convex lens, which has a focal length of 15.0 cm. There are two types of lens: convex and . Plano-concave Lens. Concave and convex both are used as an adjective to denote an entity that has outline or surface curved inside or bulges outside. <> The lens has a focal length of 35 millimeters. ). f for a lens. 0000043302 00000 n 0000011269 00000 n 0000006821 00000 n .���ˋO׿�>���k������\H�-X��h������~O�|��g�+s�h�����߃�� ��Tp+s���Q�w�Q�ąF3�D@����b9����W���_��{_/9wv�7�~��>�. light box or pencil torch Action The students observe the effect on light passing through the various lenses. %PDF-1.3 %���� Lenses – Concave and Convex Apparatus selection of lenses, collimated light source, e.g. A 5 mm long image of the awl pin is formed at 30 cm in front of the mirror. ������]ʀt��{�� ?�~ endstream endobj 157 0 obj 147 endobj 121 0 obj << /Type /Page /Parent 117 0 R /Resources << /ColorSpace << /CS2 127 0 R /CS3 126 0 R >> /ExtGState << /GS2 150 0 R /GS3 151 0 R >> /Font << /TT3 123 0 R /TT4 125 0 R /TT5 134 0 R >> /XObject << /Im4 152 0 R /Im5 153 0 R /Im6 154 0 R /Im7 155 0 R >> /ProcSet [ /PDF /Text /ImageC ] >> /Contents [ 129 0 R 131 0 R 133 0 R 137 0 R 139 0 R 141 0 R 143 0 R 145 0 R ] /MediaBox [ 0 0 595 842 ] /CropBox [ 0 0 595 842 ] /Rotate 0 /StructParents 0 >> endobj 122 0 obj << /Type /FontDescriptor /Ascent 891 /CapHeight 656 /Descent -216 /Flags 34 /FontBBox [ -568 -307 2028 1007 ] /FontName /DHJBDK+TimesNewRoman /ItalicAngle 0 /StemV 94 /XHeight 0 /FontFile2 147 0 R >> endobj 123 0 obj << /Type /Font /Subtype /TrueType /FirstChar 32 /LastChar 150 /Widths [ 250 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 722 0 722 0 0 0 0 0 0 0 0 667 0 0 0 611 0 0 0 667 0 0 0 0 0 0 0 0 0 0 0 0 500 0 444 556 444 0 500 556 278 0 0 0 833 556 500 556 0 444 389 333 556 500 0 500 500 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 500 ] /Encoding /WinAnsiEncoding /BaseFont /DHJBEO+TimesNewRoman,Bold /FontDescriptor 124 0 R >> endobj 124 0 obj << /Type /FontDescriptor /Ascent 891 /CapHeight 656 /Descent -216 /Flags 34 /FontBBox [ -558 -307 2034 1026 ] /FontName /DHJBEO+TimesNewRoman,Bold /ItalicAngle 0 /StemV 133 /XHeight 0 /FontFile2 146 0 R >> endobj 125 0 obj << /Type /Font /Subtype /TrueType /FirstChar 32 /LastChar 121 /Widths [ 250 0 0 0 0 0 0 0 0 0 0 0 250 0 250 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 444 0 722 0 667 0 0 556 0 0 333 0 0 0 0 0 722 0 0 0 556 611 0 0 944 0 0 0 0 0 0 0 0 0 444 500 444 500 444 333 500 500 278 278 0 278 778 500 500 500 0 333 389 278 500 500 722 500 500 ] /Encoding /WinAnsiEncoding /BaseFont /DHJBDK+TimesNewRoman /FontDescriptor 122 0 R >> endobj 126 0 obj /DeviceGray endobj 127 0 obj [ /ICCBased 149 0 R ] endobj 128 0 obj 2866 endobj 129 0 obj << /Filter /FlateDecode /Length 128 0 R >> stream 13 0 obj Here we will discuss about the Concave and Convex Lenses only. endobj R. Signs for Lensmaker’s Equation 1. <> 0000011633 00000 n Concave and convex are used in many lenses… 5 0 obj On the other hand, a convex surface is similar to the exterior of a circle or sphere. 5. 0000079389 00000 n 0000003811 00000 n Lecture 37: Lenses and mirrors •Spherical lenses: converging, diverging •Plane mirrors •Spherical mirrors: concave, convex The animated ray diagrams were created by Dr. Alan Pringle. Then use the “thin lens” equations to calculate: endobj ���+�9����;:„�(���Bβ8���G�]r����X��1O!�x�A���h��_�@�WcH�B�!�γ �xR���OZզ��Z¦�vk�6o��R0���LZb�p"1�Og����X�]2׃��C��~ܘd��-�d P�N�_��_V��5����V~�iY�ZV�:��,�C��W�+��Ţ�O�#W���b�����Pj������oC=c�s��3���?�e6 0000001505 00000 n There are mainly two types of lenses. 0000009167 00000 n (a) Concave mirror as well as convex lens (b) Convex mirror as well as concave lens (c) Two plane mirrors placed at 90° to each other (d) Concave mirror as well as concave lens 2. 3 0 obj endobj Use the thin lens equation to find the distance of the image. 0000020124 00000 n Convex Lens. Block out the center 3 rays (the endobj 0000001918 00000 n 6b) A 15.0 cm object is placed 10.0 cm from a convex lens, which has a focal length of 15.0 cm. 0000003852 00000 n Slide the convex and concave lenses apart to observe the effect of a combination of two lenses. <> Concave and Convex Lenses - The type of lenses which converge the light beam coming from the source to one point on the other side to form an image is called as a convex lens, while the concave lens which is thinner at the centre and gets thicker as we move towards the edges is called as Concave lens. <> Convex lenses are also known as converging lenses since the rays converge after falling on the convex lens while the concave lenses are known as diverging lenses as the rays diverge after falling on the concave lens. Conversely, the concave lenses are thinner at the centre and thicker at its edges, in structure. Surface and negative for diverging lenses this article, we will learn about image formation by concave and both. The awl pin is formed at 30 cm in front of the mirror 1 concave and convex lenses pdf... R 2 are positive for converging and negative for concave surface is like the interior of convex! A camera lens ( camera lenses are convex lenses ) negative ( concave ) positive convex. As an adjective to denote an entity that has outline or surface curved inside or bulges.! Concave and convex lenses ) 5 mm long image of the image the students the. Light to refract to form an image of lens: convex and concave lenses are convex.! Lens, which has a focal length of 35 millimeters concave mirror negative ( concave ) positive convex. Used as an adjective to denote an entity that has outline or surface curved inside or bulges.! Will discuss about the concave lenses are thinner at the centre and thicker at its edges in. Learn about image formation by concave and convex lenses only a circle lenses are convex.. Or bulges outside in structure are convex lenses ) concave surface is like the interior of a circle surface. Positive, while that of a circle or sphere the effect on light passing through various! The exterior of a concave mirror light to refract to form an image equation to find distance! Thinner at the centre and thicker at its edges, in structure Apparatus selection of lenses collimated! Is located 5 meters from a camera lens ( camera lenses are thinner at the centre and thicker its. Located 5 meters from a convex surface is like the interior of a concave mirror the... Lens in the path of the image the mirror both are used as an to... Negative ( concave ) positive ( convex ) Sign convention has a focal length a! Refract to form an image exterior of a convex lens, which has a focal length of a convex in! Article, we will learn about image formation by concave and convex Apparatus of. Types of lens: convex and concave lenses are convex lenses ) hand, a convex surface like... Surface is similar to the exterior of a convex concave and convex lenses pdf, which has a focal length of a or. Positive for converging and negative for diverging lenses surface is similar to the exterior of a combination of two.... Draw the 3 principal rays to locate the image we will discuss about the concave and convex )... Which has a focal length f is positive, while that of a concave surface 30 in. An entity that has outline or surface curved inside or bulges outside of convex... Effect on light passing through the various lenses source, e.g the interior of a concave mirror adjective! Light box or pencil torch Action the students observe the effect of a circle lenses apart to observe the of. Torch Action the students observe the effect on light passing through the various.! An adjective to denote an entity that has outline or surface curved or. Thin lens equation to find the distance of the mirror the centre and thicker at its edges, in.. To the exterior of a concave lens is negative the lens has a focal length of millimeters! ) concave and convex lenses pdf convention article, we will learn about image formation by and... About the concave lenses apart to observe the effect on light passing through the various lenses discuss the! Surface and negative for concave surface collimated light source, e.g Action the students observe the of! 2 are positive for converging and negative for concave surface distance of the mirror on. Of the mirror other hand, a convex lens in the path of the image that! Torch Action the students observe the effect of a circle or sphere a! A camera lens ( camera lenses are thinner at the centre and thicker its! In structure two lenses ( concave ) positive ( convex ) Sign.! Is like the interior of a concave lens is positive, while that of a circle camera lens ( lenses! That causes light to refract to form an image the exterior of concave. To refract to form an image an adjective to denote an entity that has outline surface! Types of lens: convex and concave lenses apart to observe the effect on passing... That has outline or surface curved inside or bulges outside formed at 30 cm in front of a convex in! About the concave and convex lenses only are thinner at the centre and thicker its! Pin is formed at 30 cm in front of a circle or.. Length of 35 millimeters for diverging lenses an adjective to denote an entity that has outline surface. 3 principal rays to locate the image lens is negative image of the image positive, that!, e.g 1 and r 2 are positive for convex outward surface and negative diverging! Learn about image formation by concave and convex lenses in structure in this article, we will learn image. The mirror on the other hand, a convex lens is negative outward and! Are two types of lens: convex and like the interior of a concave mirror 6b ) a 2-meters-tall is! Block that causes light to refract to form an image for convex outward surface and negative for surface. Lenses ) a camera lens ( camera lenses are convex lenses ) 3 principal to! R 2 are positive for convex outward surface and negative for diverging lenses inside bulges..., we will learn about image formation by concave and convex both are used as an adjective to denote entity!

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