JEE Main Exam Paper – I Model Question Paper 2017 : Central Board Of Secondary Education

Board : Central Board Of Secondary Education
Exam : Joint Entrance Examination (Main) – 2017 Paper I
Document type : Model Question Paper
Website : https://jeemain.nic.in/webinfo/QuestionPapers2017.htm

Download Model/ Sample Question Papers :
02.04.2017 Set A : https://www.pdfquestion.in/uploads/6551-SetA.pdf
02.04.2017 Set B : https://www.pdfquestion.in/uploads/6551-SetB.pdf
02.04.2017 Set C : https://www.pdfquestion.in/uploads/6551-SetC.pdf
02.04.2017 Set D : https://www.pdfquestion.in/uploads/6551-SetD.pdf
08.04.2017 Physics : https://www.pdfquestion.in/uploads/6551-Physics.pdf
08.04.2017 Chemistry :  https://www.pdfquestion.in/uploads/6551-Chemistry.pdf
08.04.2017 Mathematics : https://www.pdfquestion.in/uploads/6551-Mathematics.pdf

JEE Main Exam Question Paper I :

Paper – 1 : Physics, Chemistry & Mathematics
Important Instructions :
1. Immediately fill in the particulars on this page of the Test Booklet with only Black Ball Point Pen provided in the examination hall.

Related : Central Board Of Secondary Education JEE Main Exam Model Question Paper 2016 : www.pdfquestion.in/8899.html

2. The Answer Sheet is kept inside this Test Booklet. When you are directed to open the Test Booklet, take out the Answer Sheet and fill in the particulars carefully.
3. The test is of 3 hours duration.
4. The Test Booklet consists of 90 questions. The maximum marks are 360.

5. There are three parts in the question paper A, B, C consisting of Physics, Chemistry and Mathematics having 30 questions in each part of equal weightage. Each question is allotted 4 (four) marks for correct response.

6. Candidates will be awarded marks as stated above in instruction No. 5 for correct response of each question. ¼ (one-fourth) marks of the total marks allotted to the question (i.e. 1 mark) will be deducted for indicating incorrect response of each question. No deduction from the total score will be made if no response is indicated for an item in the answer sheet.

7. There is only one correct response for each question. Filling up more than one response in any question will be treated as wrong response and marks for wrong response will be deducted accordingly as per instruction 6 above.

8. For writing particulars/marking responses on Side-1 and Side–2 of the Answer Sheet use only Black Ball Point Pen provided in the examination hall.

9. No candidate is allowed to carry any textual material, printed or written, bits of papers, pager, mobile phone, any electronic device, etc. except the Admit Card inside the examination room/hall.

10. Rough work is to be done on the space provided for this purpose in the Test Booklet only. This space is given at the bottom of each page and in four pages ( Page 40-43) at the end of the booklet.

11. On completion of the test, the candidate must hand over the Answer Sheet to the Invigilator on duty in the Room/Hall. However, the candidates are allowed to take away this Test Booklet with them.

12. The CODE for this Booklet is A. Make sure that the CODE printed on Side–2 of the Answer Sheet and also tally the serial number of the Test Booklet and Answer Sheet are the same as that on this booklet. In case of discrepancy, the candidate should immediately report the matter to the Invigilator for replacement of both the Test Booklet and the Answer Sheet.

13. Do not fold or make any stray mark on the Answer Sheet.

Part A : Physics
All The Graphs/Diagrams Given Are
Schematic And Not Drawn To Scale.
1. A man grows into a giant such that his linear dimensions increase by a factor of 9. Assuming that his density remains same, the stress in the leg will change by a factor of :
(1) 9
(2)1/9
(3) 81
(4) 1/81

2. A body of mass m=10-2 kg is moving in a medium and experiences a frictional force F=-kv2. Its initial speed is v0=10 ms-1. If, after 10 s, its energy is 1 8 mv0 2, the value of k will be :
(1) 10-3 kg m-1
(2) 10-3 kg s-1
(3) 10-4 kg m-1
(4) 10-1 kg m-1 s-1

3. A time dependent force F=6t acts on a particle of mass 1 kg. If the particle starts from rest, the work done by the force during the first 1 sec. will be
(1) 4.5 J
(2) 22 J
(3) 9 J
(4) 18 J

5. The moment of inertia of a uniform cylinder of length l and radius R about its perpendicular bisector is I. What is the ratio l/R such that the moment of inertia is minimum ?
(1) 3/2
(2) 32
(3) 1
(4) 3/2

5. A slender uniform rod of mass M and length l is pivoted at one end so that it can rotate in a vertical plane (see figure). There is negligible friction at the pivot. The free end is held vertically above the pivot and then released. The angular acceleration of the rod when it makes an angle ? with the vertical is
(1)3g/ sin 2l
(2) 2g /sin 3l
(3) 3g /cos 2l
(4) 2g /cos 3l

PART B — Chemistry :
1. Given C(graphite)+O2(g) ® CO2(g) ; ?rH8=-393.5 kJ mol-1 H2(g)+ 1 2 O2(g) ® H2O(l) ; ?rH8=-285.8 kJ mol-1 CO2(g)+2H2O(l) ® CH4(g)+2O2(g) ; ?rH8=+890.3 kJ mol-1 Based on the above thermochemical equations, the value of ?rH8 at 298 K for the reaction (graphite)+2H2(g) ® CH4(g) will be
(1) -74.8 kJ mol-1
(2) -144.0 kJ mol-1
(3) +74.8 kJ mol-1
(4) +144.0 kJ mol-1

2. 1 gram of a carbonate (M2CO3) on treatment with excess HCl produces 0.01186 mole of CO2. The molar mass of M2CO3 in g mol-1 is :
(1) 118.6
(2) 11.86
(3) 1186
(4) 84.3

3. U is equal to :
(1) Adiabatic work
(2) Isothermal work
(3) Isochoric work
(4) Isobaric work

4. The Tyndall effect is observed only when following conditions are satisfied :
(a) The diameter of the dispersed particles is much smaller than the wavelength of the light used.
(b) The diameter of the dispersed particle is not much smaller than the wavelength of the light used.
(c) The refractive indices of the dispersed phase and dispersion medium are almost similar in magnitude.
(d) The refractive indices of the dispersed phase and dispersion medium differ greatly in magnitude.
(1) (a) and (c)
(2) (b) and (c)
(3) (a) and (d)
(4) (b) and (d)

5. The freezing point of benzene decreases by 0.458C when 0.2 g of acetic acid is added to 20 g of benzene. If acetic acid associates to form a dimer in benzene, percentage association of acetic acid in benzene will be : (Kf for benzene=5.12 K kg mol-1)
(1) 74.6%
(2) 94.6%
(3) 64.6%
(4) 80.4%