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CBSE Class 10 Answered

Tell concave lens convex lens sign convention  
Asked by arjukesharwani2006 | 25 Jul, 2020, 03:50: PM
answered-by-expert Expert Answer
Please check the sign convention here.
Answered by | 25 Jul, 2020, 08:01: PM

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CBSE 10 - Physics
A concave lens has focal length of 20 cm. At what distance from the lens a 5 cm tall object be placed so that it forms an image at 15 cm from the lens? Also calculate the size of the image formed.
Asked by rk9154247 | 01 Jun, 2021, 02:25: PM
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CBSE 10 - Physics
A concave lens has focal length of 30 cm. At what distance should the object be placed from the lens so that it forms an image at 20 cm from the lens ? Also, find the magnification produced by the lens.
Asked by lbalarajulbalaraju2 | 01 Jun, 2021, 11:09: AM
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CBSE 10 - Physics
solve x + y + z + u = 120 , 2x + y + 4 z+ 3y = 29 , 3x + 2y +z + 4u= 27, 4x + 3y +z +2u = 22. find x,y .z. u  
Asked by viraat.verma26 | 14 May, 2021, 01:10: PM
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CBSE 10 - Physics
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Asked by durgeshsri8080 | 01 Aug, 2020, 06:43: AM
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CBSE 10 - Physics
Tell concave lens convex lens sign convention  
Asked by arjukesharwani2006 | 25 Jul, 2020, 03:50: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Physics
An object placed in front of the convex lens at a distance of 25cm on the principal axis.  The focal length of lens is 15cm, at what distance the image is formed and writes the nature and size of the image.  
Asked by craj.fru | 02 Sep, 2019, 09:45: AM
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CBSE 10 - Physics
A concave lens has focal length of 20 cm. At what distance from the lens a 5 cm tall object be placed so that it forms an image at 15 cm from the lens ? Also calculate the size of the image formed.
Asked by muchu.mkk12345 | 21 Jul, 2019, 10:53: AM
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CBSE 10 - Physics
I don't know how to take focal length, image distance and object distance positive or negative in lenses and mirrors? 
Asked by lokendersikarwar6 | 10 Jun, 2019, 12:33: PM
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CBSE 10 - Physics
what is magnification producer?  
Asked by samutthita | 03 Jun, 2019, 10:06: PM
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CBSE 10 - Physics
I WANT TO UNDERSTAND LENS FORMULAE
Asked by deevyanshkumarsingh | 23 Mar, 2019, 09:00: AM
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