CBSE 12th Physics

Last 5 year solutions (2011 - 2015)

Prepare for CBSE class 12 Physics board paper with the help of previous years (2011-2015) solved question papers.
5 video solutions

CBSE Board Papers Class 12 - 2014 - Physics - Question 1
by added on Mon Feb 16 08:00:41 UTC 2015 3026 views
Question - A conducting loop is held below a current carrying wire PQ as shown. Predict the direction of the induced current in the loop when the current in the wire is constantly increasing.

 

CBSE Board Papers Class 12 - 2014 - Physics - Question 25
by added on Mon Feb 16 05:55:59 UTC 2015 211 views
Question - (a) A rod of length l is moved horizontally with a uniform velocity 'v' in a direction perpendicular to its length through a region in which a uniform magnetic field is acting vertically downward. Derive the expression for the emf induced across the ends of the rod. (b) How does one understand this motional emf by invoking the Lorentz force acting on the free charge carriers of the conductor? Explain. 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 12 - 2014 - Physics - Question 13 a
by added on Mon Feb 16 07:51:19 UTC 2015 141 views
Question - Using Rutherford model of the atom, derive the expression for the total energy of the electron in hydrogen atom. What is the significance of total negative energy possessed by the electron? 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 12 - 2014 - Physics - Question 3
by added on Mon Feb 16 07:52:50 UTC 2015 124 views
Question - Using the concept of force between two infinitely long parallel current carrying conductors, define one ampere of current. 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 12 - 2014 - Physics - Question 29
by added on Mon Feb 16 05:35:40 UTC 2015 121 views
Question - (a) Deduce an expression for the frequency of revolution of a charged particle in a magnetic field and show that it is independent of velocity or energy of the particle. (b) Draw a schematic sketch of a cyclotron. Explain, giving the essential details of its construction, how it is used to accelerate the charged particles. 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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