Spectrum JEE Main Exam Question Paper : spectrumiitacademy.com

Name of the Organization : Spectrum Edu
Name of the Exam : JEE-Main-Exam
Document Type : Sample Test Paper
Subject : Physics, Chemistry & Biology

Website : http://spectrumiitacademy.com/spectrum/download.html
Download Sample/Model Question Paper :
JEE-Main-2016 : https://www.pdfquestion.in/uploads/11284-jeemmain16.pdf
JEE-Main-2015 : https://www.pdfquestion.in/uploads/11284-JeeMain2015.pdf
JEE-Main-2014 : https://www.pdfquestion.in/uploads/11284-JeeMain2015.pdf
JEE-Main-2013 : https://www.pdfquestion.in/uploads/11284-jeemain2013.pdf

JEE-Main-Exam Question Paper :

PAPER – 1 : Physics, Chemistry & Mathematics
Important Instructions :
1. Immediately fill in the particulars on this page of the Test Booklet with only Blue / Black Ball Point Pen provided by the Board.

Related : Spectrum Scholarship cum Entrance Exam Sample Paper : www.pdfquestion.in/11280.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 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 Blue/Black Ball Point Pen provided by the Board.

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 one page (i.e. Page 39) 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 E. 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 Given Are Schematic And Not Drawn To Scale.
1. A student measures the time period of 100 oscillations of a simple pendulum four times. The data set is 90 s, 91 s, 95 s and 92 s. If the minimum division in the measuring clock is 1 s, then the reportedmean time should be
(1) 92±2 s
(2) 92±5.0 s
(3) 92±1.8 s
(4) 92±3 s

2. A point particle of mass m, moves along the uniformly rough track PQR as shown in the figure. The coefficient of friction, between the particle and the rough track equals µ. The particle is released, from rest, from the point P and it comes to rest at a point R. The energies, lost by the ball, over the parts, PQ and QR, of the track, are equal to each other, and no energy is lost when particle changes direction from PQ to QR.
(1) 0.2 and 6.5 m
(2) 0.2 and 3.5 m
(3) 0.29 and 3.5 m
(4) 0.29 and 6.5 m

3. A person trying to lose weight by burning fat lifts a mass of 10 kg upto a height of 1 m 1000 times. Assume that the potential energy lost each time he lowers the mass is dissipated. How much fat will he use up considering the work done only when the weight is lifted up ? Fat supplies 3.8×107 J of energy per kg which is converted to mechanical energy with a 20% efficiency rate. Take g=9.8 ms-2
(1) 2.45×10-3 kg
(2) 6.45×10-3 kg
(3) 9.89×10-3 kg
(4) 12.89×10-3 kg

A roller is made by joining together two cones at their vertices O. It is kept on two rails AB and CD which are placed asymmetrically (see figure), with its axis perpendicular to CD and its centre O at the centre of line joining AB and CD (see figure). It is given a light push so that it starts rolling with its centre O moving parallel to CD in the direction shown. As it moves, the roller will tend to
(1) turn left.
(2) turn right.
(3) go straight.
(4) turn left and right alternately.

Part B — Chemistry :
31. At 300 K and 1 atm, 15 mL of a gaseous hydrocarbon requires 375 mL air containing 20% O2 by volume for complete combustion. After combustion the gases occupy 330 mL. Assuming that the water formed is in liquid form and the volumes were measured at the same temperature and pressure, the formula of the hydrocarbon is
(1) C3H6
(2) C3H8
(3) C4H8
(4) C4H10

2. Two closed bulbs of equal volume (V) containing an ideal gas initially at pressure pi and temperature T1 are connected through a narrow tube of negligible volume as shown in the figure below. The temperature of one of the bulbs is then raised to T2. The final pressure pf is
(1) pi (T1T2/T1+T2)
(2) 2pi (T1/T1+T2)
(3) 2pi (T2/T1+T2)
(4) 2pi (T1T2/T1+T2)

3. A stream of electrons from a heated filament was passed between two charged plates kept at a potential difference V esu. If e and m are charge and mass of an electron, respectively, then the value of h/l (where l is wavelength associated with electron wave) is given by
1) meV
(2) 2meV
(3) meV
(4) 2 meV

4. The species in which the N atom is in a state of sp hybridization is
(1) 2 NO+
(2) 2 NO –
(3) 3 NO-
(4) NO2

5. The heats of combustion of carbon and carbon monoxide are -393.5 and -283.5 kJ mol-1, respectively. The heat of formation (in kJ) of carbon monoxide per mole is
(1) 110.5
(2) 676.5
(3) -676.5
(4) -110.5