CLASS XII – SAMPLE PAPER PHYSICS Time allowed : 3 hours Max. Marks : 70 General Instructions: All questions are compulsory There are 30 questions in total. Questions 1 to 8 carry one mark each, 9 to 18 carry two marks each, 19 to 27 carry 3 marks each and 28 to 30 carry 5…… Continue reading CLASS XII PHYSICS SAMPLE PAPER FOR AISSCE 2012
A TV Tower has a height h. Derive expression for the maximum distance upto which signals can be received on earth.
Time: 45 min Max. Marks: 25 How does the force between two point charges change, if the dielectric constant of the medium in which they are kept, increases?  Name the experiment which established the quantum nature of electric charge.  Ordinary rubber is an insulator, but the special tyres of aircrafts are made slightly conducting. Why…… Continue reading Electrostatics : A Practice Test Paper – 1
(This is being posted as per request from students) Consider a conductor of length l and area of cross section A. Let the number of free electrons per unit volume be n. When a pd V is applied, let the drift velocity of electrons be v. The total no. of free electrons in the piece…… Continue reading Derive an expression for current in terms of drift velocity. (Derive I = nAev)
Physics 2004 Set 1 Why is shortwave band used for long distance radio broadcast? Two metals A and B have work functions 2 eV and 5 eV respectively. Which metal has lower threshold wavelength? Draw the voltage-current characteristic of a zener diode. A solenoid with an iron core and a bulb is connected to a…… Continue reading Class XII Physics SOME QUESTIONS FROM CBSE 2004 Board Question Paper
Download as PDF oscillations PHYSICS TEST PAPER (OSCILLATIONS) Time : 1 ½hr M. Marks: 40 Q.Nos 1 to 5 carries 1 mark each QNos 6 to 10 carry 2 marks each QNos 11 to 15 carry 3 marks each QNos 16 – 17 carry 5 marks each 1. What is periodic motion? 2. How will the time period of…… Continue reading Revision Test Series for Class XI – Oscillations
Hello Dear Students, If you were searching for a set of questions which you cannot afford to leave while preparing for AISSCE 2011 Physics Exam, Here it is. Please practice them carefully. If you have any doubt in answering any of these questions, please feel free to ask at www.askphysics.com The content is being updated…… Continue reading SET OF MUST PRACTICE QUESTIONS FOR CBSE PHYSICS CLASS XII (AISSCE PHYSICS 2011)