Page 1 : Sample Question Paper 2021-22, Term 1, Subject: Physics (042), , Time: 90 Minutes Max. Marks 35, General Instructions:, , 1. The Question Paper contains three sections., , 2. Section A has 25 questions. Attempt any 20 questions., , 3. Section B has 24 questions. Attempt any20 questions., , 4. Section C has 6 questions. Attempt any 5 questions., , 5. All questions carry equal marks., , 6. There is no negative marking., , SECTION A, , This section consists of 25 multiple choice questions with overall choice to, attempt any 20 questions. In case more than desirable numberof questions are, attempted, ONLY first 20 will be considered for evaluation., , Q1.Which of the following is NOT the property of equipotential surface?, (i) They do not cross each other., (ii) The rate of change of potential with distance on them is zero., (iii) For a uniform electric field they are concentric spheres., (iv) They can be imaginary spheres., , Q2. Two point charges +8q and -2q are located at x=0 and x=L respectively., The point on x axis at which net electric field is zero due to these, , charges is(i) BL, di 4b, (ili) = 2L, (vy) oL, , Q3. An electric dipole of moment p is placed parallel to the uniform electric, field. The amount of work done in rotating the dipole by 90'is, (i) 2pE, (ii) pE, (iii) pE/2, (iv) Zero, , Q4. Three capacitors 2uF, 3yF and 6yF are joined in series with each other., The equivalent capacitance is, (i) 1/2yF, , on