8/20/2019 2nd PU Physics July 2014.pdf http://slidepdf.com/reader/full/2nd-pu-physics-july-2014pdf 1/4 ,.: -_ (EngJish Version) '12 Note : (i) Au parts are compursory. Z_ P U C - (ii) Answers without relevant diagra'm/figure/circuit wherever necessary will not , , 'o rg Carry any marks. (iii) Direct allswers to the Numerical problems caffy any marks. <7d lvgly without detailed ffiionTiiffi =10 ? tly sr cS rg PART _ A I. Answer the following: l0 x I 1. What is a Capacitor ? 2 Define drift velocity of electrons. 3. What is the nature of tbrce between two parallel conductors carrying current ,' same direction ? 4. State Faraday's law of elecffomagnetic induction. 5. which type of lens is used to correct myopia (short sightedness) ? . 6. What are Isotopes ? 7. Mention any one application of Light Emitting Diode (LED). 8. Write the circuit symbol of AND gate. 9. Give an expression for range of an antenna in terms of its height from ground. 10. What is Amplification ? PART - B II. Answer any five of the following questions : p.. 1 1. Establish the relation between electric field and electric potential. 12. Giveany two limitations of Ohm's law. ln f e a is 5x2:10 Code No.33(NS) P.T.O. 37 . The first member ofthe balmer series ofhydrgge,n atom has wave length of 656.3nm. Calculate the wave length and flequency ofthe second member ofthe same series given,-C:3x10E m/s. For More Question Papers Visit - www.pediawikiblog.com For More Question Papers Visit - www.pediawikiblog.com Second PUC Physics July, 2014 Question Paper