Tiêu đề ODISHA AP Physics-2021.pdf ✅

DO NOT OPEN THIS TEST BOOKLET UNTIL YOU ARE ASKED TO DO TEST BOOKLET Sl. No. - bject Code : 20 Subject : Physics LECTURERS FOR NON.GOVT. AIDED COLLEGES OF ODISHA Maximum Marks: 150 : INSTRUCTIONS TO CANDIDATES : TMMEDIATELY AFTER THE COMMENCEMENT OF THE EXAMTNATION, YOU SHOULD CHECKTHATTHISTESTBOOKLET CONTAINS23 PAGESAND DOESNOTHAVEATIYUNPRINTEDOR TORN OR MISSING PAGES OR TTEMS ETC. IF SO, GET 1T REPLACED BY A COMPLETE TEST BOOKET. 2. You have to enter your Roll No. on the Test Booklet in the Box provided alongside. DO NOTwrite anything else on the Test Booklet. 3. The Test Booklet contains 100 questions. Each question comprises four answers. You have to select the correct answer which you want to mark (darken) on the Answer Sheet (OMR Sheet). ln any case choose ONLY ONE answer for each question. lf more than one answer is darkened, it will be considered as wrong. , 4. You have to mark (darken) all your answers only on the OMR Answer Sheet using BLACK BALL POINT PEN provided by the State Selection Board. You have to do rough work only in the space provided at the end of the Test Booklet. See instructions in the Answer Sheet. 5. All questions carry equal marks i.e. of one and half mark for each correct answer and each wrong answerwill result in negative marking of 0.50 mark. 6. Before you proceed to mark (darken) the answers in the OMR Answer Sheet to the questions in the Test Booklet, you have to fill in some particulars in the Answer Sheet as perthe instructions in yourAdmit Card. 7. On completion of the examination, you should hand over the origina! Answer Sheet (OMR Sheet) issued to you to the lnvigilator before leaving the Examination Hall. You are allowed to take with you the candidate's copy (carbon copy) of the OMR Answer Sheet along with the Test Booklet for your reference. sTgE 1 Candidate's full signature IW-6/16 2024, . lnvigilator's signature (Tum over) TimeAllowed:2 Hours III J Lu CN
1 A one-dimensional coupled oscillator consists of two identical masses connected to three identical springs. The free ends of the springs are fixed to two parallel walls. lt can move on a frictionless horizontal surface. Which of the follorruing statements is true about the motion of a coupled oscillator, if it is in a normalmode ? (A) All parts of the oscillator is oscillating sinusoidally with the frequency of the mode. (B) All parts of the oscillator is oscillating with a linear combination of two frequencies of the normal modes. (C) One mass oscillates with the frequency of one mode, while the other oscillates with the frequency of the other mode. (D) The period of oscillation is a common period of the two modes. 2. Three vectors a+, d and d are defined as : a+ = ,f - tl *.t,8'= rt AA.AAA + yj - 22k,7 = xi - yi + k Which of the following statements is true ? (A) ? and St Ootn may represent a magnetic field. (B) B and d Ootn may represent a magnetic field. (C) ? and d uotn may represent a magnetic field. lll (D) a', b' and c'all may represent a magnetic field. 3. A particle of mass m = 0.1 kg is initially motionless on a frictionless surface. At time t = 0, an impulse is imparted to the block and it starts moving on the surface with a uniform acceleration a = 10 m/s2. What is the action S(in J-s) of the particle at atimet=1s? (A) 2 (B) 3 (c) 4 (D) 5 Contd. tw-6/16 (2)

9. The value of the integral r = I- ti *fldxdy is : (A) rE (B) nl4 (C) n t2 (D) ,E I J, 10. A2n periodic function f(x) on the interval [-n;nl is defined as : massless springs, each of spring constant k. The free ends of the last two springs are connected to two parallelwalls. The blocks can move along a straight line on a frictionless horizontal surface. The frequencies of normal modes are : (A) Jk / rn ano Jzr I m .tr+ t)r / m and ..6k / rn (D) m/m ano.,ffim 12. The Hamiltonian of a system with . one degree of freedom is given as : H(x, p) = *- myx. The Poisson bracket [[x, H], H]r, p is equalto : (A) Y (B) o (c) 1 (D) 2v f (x)= lf the function f(x) is expanded in Fourier series given by f(x) = ?n |+Zancosnx + bn sinnx , then which of the following statements is true ? (A) ?o=1,an=0,bn = 1 - (-t)n 0,if-zrSx<0 1,if0