CBSE 10th Science - Physics

Last 5 year solutions (2011 - 2015)

Prepare for CBSE class 10 Science board paper with the help of previous years (2011-2015) solved question papers.
2 video solutions

CBSE Board Papers Class 10 - 2011 - Physics - Question 25 a
by added on Fri Feb 20 12:04:17 UTC 2015 125 views
Question - (a) What is meant by 'power of a lens'? (b) State and define the SI unit of power of a lens. (c) A convex lens of focal length 25 cm and a concave lens of focal length 10 cm are placed in close contact with each other. Calculate the lens power of this combination. Vedantu - Your Personal Teacher Online - Get an clear edge over other students by constant revision of important topics with an awesome teacher. - Get your doubts and questions resolved instantly by booking an instant live session - Prepare for competitive exams with our exam courses and achieve your goal - Skipped a topic in tuitions? Learn it on Vedantu by taking our topic courses

 

CBSE Board Papers Class 10 - 2011 - Physics - Question 25 b
by added on Fri Feb 20 12:04:59 UTC 2015 65 views
Question - (a) Draw a ray diagram to show the formation of image of an object placed between infinity and the optical centre of a concave lens. (b) A concave lens of focal length 15 cm forms an image 10 cm from the lens. Calculate (i) The distance of object from the lens. (ii) The magnification for the image formed (iii) The nature of the image formed. Vedantu - Your Personal Teacher Online - Get an clear edge over other students by constant revision of important topics with an awesome teacher. - Get your doubts and questions resolved instantly by booking an instant live session - Prepare for competitive exams with our exam courses and achieve your goal - Skipped a topic in tuitions? Learn it on Vedantu by taking our topic courses

 
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