Physics Sample Paper for JEE Exam
IIT JEE is the one of the top exams conducted in India for the admission in the engineering courses of the 15 IITs, Indian School of Mines and IT BHU which has been converted into an IIT and named as IIT BHU. IITs are golden dreams of several students in their life, but is achieved by only those students who do the smart work along with their hard work. One should go thoroughly through the available sample papers of JEE to get the idea about the types of questions which has been asked time to time. So, to ease your work, Here is the Physics Sample Paper for JEE Exam which will assist you with your Physics problems.
IIT JEE Entrance Exam
Physics Sample Paper for JEE-
1. The number of free electrons per 10 mm of an ordinary copper wire is 2 x 1021. The average drift speed of the electrons is 0.25 mm/s. The current flowing is:
A. 0.8 A
B. 8 A
C. 80 A
D. 5 A
2. Which of the following cells is more likely to be damaged due to short circuiting?
A. Daniel
B. Dry
C. Acid
D. Fuel
3. A gas expands from 5 litre to 105 litre at a constant pressure 100 N/m2. The work done is
A. 1 Joule
B. 4 Joule
C. 8 Joule
D. 10 Joule
4. The Helium nuclei can be formed from
A. Hydrogen nuclei by process of chain reaction
B. Hydrogen nuclei through nuclear fission
C. Hydrogen nuclei through nuclear fusion
D. None of these
5. In the atom bomb dropped by Americans in 1945 on Nagasaki, Japan, the fissionable material used was
A. Helium 4
B. Plutonium 239
C. Uranium 235
D. Uranium 233
6. The engine of a truck moving a straight road delivers constant power. The distance travelled by the truck in time t is proportional to
A. t
B. t/2
C. √t
D. t 3/2
7. The velocity of electron in ground state of hydrogen atom is
A. 2 x 105 m/s
B. 2 x 106 m/s
C. 2 x 107 m/s
D. 2 x 108 m/s
8. The radius of the first orbit of the electron in a hydrogen atom is 5.3 x 10-11 m; then the radius of the second orbit must be
A. 15.9 x 10-11 m
B. 10.6 x 10 m
C. 21.2 x 10-11 m
D. 42.4 x 10-11 m
9. A person pushes a rock of 1010 Kg mass by applying a force of only 10N for just 4 seconds. The work done is
A. 1000 Joule
B. 0 J
C. nearly zero
D. positive
10. One can take pictures of objects which are completely invisible to the eye using camera films which are sensitive to
A. ultra-violet rays
B. sodium light
C. visible light
D. infra-red rays
11. Light from a 100 watt filament bulb is passed through an evacuated glass tube containing sodium vapour at a high temperature. If the transmitted light is viewed through a spectrometer, we will observe
A. D1 and D2 lines of sodium with good intensity
B. dark lines where D1 and D2 lines should have been observed
C. continuous radiation from the bulb only
D. the entire emission spectrum of sodium
12. Under the action of a constant force, a particle is experiencing a constant acceleration. The power is
A. zero
B. positive
C. negative
D. increasing uniformly
13. If in a plane convex lens the radius of curvature of the convex surface is 10 cm and the focal length of the lens is 30 cm, the refractive index of the material of the lens will be
A. 1.5
B. 1.66
C. 1.33
D. 3
14. A plane convex lens has radius of curvature 30 cm. If the refractive index is 1.33, the focal length of lens is
A. 10 cm
B. 90 cm
C. 30 cm
D. 60 cm
15. A beam of light is converging towards a point I on a screen. A plane parallel plate of glass (thickness in the direction of the beam = t, refractive index = μ ) is introduced in the path of the beam. The convergence point is shifted by
A. t (μ – 1) away
B. t (1 + 1/μ ) away
C. t (1 – 1/μ ) nearer
D. t (1 + 1/μ ) nearer
16 . In Young’s double slit experiment the separation between the silts is halved and the distance between the silts and screen is doubled. The fringe width will be
A. unchanged
B. halved
C. doubled
D. quadrupled
17. Wavelength of red light is λ r, violet rays is λ v and X -ray is λ x then the order of
wavelengths is
A. λ x >λ v >λ r
B. λ v >λ x >λ r
C. λ r >λ x >λ v
D. λ r >λ v >λ
18. The amount of work done by the labourer who carries n bricks, each of mass m, to the roof of a house whose height is h is
A. n mgh
B. mgh/n
C. zero
D. ghn/m
19. In LCR circuit in the state of resonance, which of the following statements is correct ? (cos φ)=
A. 0
B. 0.5
C. 1
D. None of these
20. In LCR circuit, phase difference between voltage and current cannot be
A. 80°
B. 90°
C. 145°
D. 0°
21. If speed is plotted along x-axis and Kinetic energy against y-axis, then the graph obtained has a shape similar to that of
A. circle
B. ellipse
C. hyperbola
D. parabola
22. A magnetic needle lying parallel to a magnetic field requires w units of work to turn it through 60°. The torque needed to maintain the needle in this position will be
A. (√ 3) w
B. 2
C. (√ 3w)/2
D. 2w
23. A vertical straight conductor carries a current vertically upwards. A point p lies to the east of it at a small distance and another point Q lies to west of it at the same distance. The magnetic field at p is
A. greater than at Q
B. same as at Q
C. less than at Q
D. greater or less at Q depending upon the strength of the current
24. In a parallel arrangement if (R1 > R2), the power dissipated in resistance R1 will be
A. less than R2
B. same as R2
C. more than R2
D. none of these
25. For a fuse wire to be installed in the supply line in a house which one of the following is immaterial ?
A. the specific resistance of the material of the fuse wire
B. the diameter of the fuse wire
C. the length of the fuse wire
D. none of these
26. If V is voltage applied, Ea is emf drop across the armature, the armature current (Ia) of a d.c. motor is given by
A. (V + Ea)/Ra
B. Ea/Ra
C. V- Ea/Ra
D. V/Ra
27. The current of 2.0 amperes passes through a cell of e.m.f. 1.5 volts having internal resistance n of 0.15Ω . The potential difference measured in volts across both the terminals of the cell will be
A. 1.35
B. 1.50
C. 1.00
D. 1.20
28. In this circuit, current ratio i1/i2 depends upon
A. R1, R2 and R
B. R, R1, R2 and E
C. R1 and R2
D. E and R
29. A cell of emf E is connected across a resistance r. The potential difference between the terminals of the cell is found to be V. The internal resistance of the cell must be
A. 2(E – V)V/r
B. 2(E – V)r/E
C. (E – V) r/V
D. (E- V)/r
30. Copper and germanium are both cooled to 70 K from room temperature, then
A. resistance of copper increases while that of germanium decreases
B. resistance of copper decreases while that of germanium increases
C. resistance of both decreases
D. resistance of both increases
So these are the questions that has been asked in the Physics Section of the JEE Exam. It will help you to plan your studies in Physics.
Have some more help from us, get the IIT JEE 2013 Question Paper in pdf here IIT JEE 2013 Question Paper
Wish you GOOD LUCK for your JEE Exam and Preparations.
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