WB JEE Question Bank

From west Bengal near about two month letter I am getting fight JEE exam but for preparing to myself for this exam want to some question paper so can you tell me how can get question from question bank?

[Shaleen]

You are requiring for the WBJEE exam question paper, here I am providing a link from where you can get the WBJEE exam question paper as a PDF format, on that link we have already uploaded the WBJEE exam papers & you can get the paper after registration.
The link is:
WBJEE Question Papers Solution - 2012 -2013 StudyChaCha

Hello friend provide me some questions for West Bengal Joint Entrance Examinations (WBJEE)?

[Quick Sam]

Hello, on your demand I am providing you questions for West Bengal Joint Entrance Examinations (WBJEE)………..

1. Following two wave trains are approaching each other.
y1 = a sin 200 π t y2 = a sin 208 π t
The number of beats heard per second is :
A. 8
B. 4
C. 1
D. 0

2. One of the geo-stationary satellites of India is vertically above
A. New Delhi
B. Mumbai
C. Allahabad
D. None of these

3. Light of wavelength 2400 x 10-10 m in air will become light of wavelength in glass (μ = 1.5)
equal to
A. 1600 x 10-10 m
B. 7200 x 10-10 m
C. 1080 x 10-10 m
D. none of these

4. The ratio of secondary to primary turns is 4:5. If power input is P, what will be the ratio of
power output (neglect all losses) to power input ?
A. 4:9
B. 9:4
C. 5:4
D. 1:1

5. Lenz's law applies to
A. electrostatics
B. lenses
C. electro-magnetic induction
D. cinema slides

6. If a proton and anti-proton come close to each other and annihilate, how much energy will be
released ?
A. 1.5 x 10-10 J
B. 3 x 10-10 J
C. 4.5 x 10-10 J
D. none of these

7. If Sn is doped with As, what will be the result ?
A. n-type
semi-
conductor

8. A charge is placed at the centre of a cube, what is the electric flux passing through one of its
faces?
A. (1/6) x (q/ε0)
B. q/ε0
C. 6q/ε0
D. None of these

9. What is the degree of freedom in case of a mono atomic gas ?
A. 1
B. 3
C. 5
D. None of these

10. If a substance goes in a magnetic field and is pushed out of it, what is it ?
A. Paramagnetic
B. Ferromagnetic
C. Diamagnetic
D. Antiferromagnetic

11. Which is not a scalar quantity?
A. Work
B. Power
C. Torque
D. Gravitational

12. Minimum energy required to excite an electron in a Hydrogen atom in ground state is :
A. -13.6 eV
B. 13.6 eV
C. 10.2 eV
D. 3.4 eV

13. If Gravitational Constant is decreasing in time, what will remain unchanged in case of a
satellite orbiting around earth ?
A. Time period
B. Orbiting radius
C. Tangential velocity
D. Angular velocity

14. If a transparent medium of refractive index μ = 1.5 and thickness t = 2.5 x 10-5 m is inserted in front of one of the slits of Young's Double Slit experiment, how much will be the shift in the interference pattern ? The distance between the slits is 5.0 x 10-3 cm and that between slits and screen is 100 cm.
A. 5 cm
B. 2.5 cm
C. 0.25 cm
D. 0.1 cm

15. How does light propagate in optical fibres?
A. Total internal reflection
B. Refraction
C. Reflection
D. None of these

16. Dispersion of light is due to
A. wavelength
B. intensity of light
C. density of medium
D. none of these

17. Which of the following conclusions is correct regarding
a stationary body?
A. No force is acting on the body
B. Vector sum of forces acing on the body is zero
C. The body is in vacuum
D. The forces acting on the body do not constitute a couple

18. Energy released in stars is due to
A. Fission
B. Fusion
C. Combustion
D. Chemical reaction

19. 13 days is the half-life period of a sample. After how many days, the sample will become
1/16th of the original substance ?
A. 52
B. 3.8
C. 3
D. none of these

20. Absolute zero is the temperature at which
A. water solidifies
B. all gases become liquid
C. motion of molecules becomes minimum
D. everything solidifies

21. Motion of liquid in a tube is described by
A. Bernaulli's Theorem
B. Poiseuille Equation
C. Stoke's Law
D. Archimedes'

22. Molecular motion shows itself as
A. Temperature
B. Internal Energy
C. Friction
D. Viscosity

23. Which is this gate ?
A. AND
B. NAND
C. OR
D. NOR

24. A body A of mass m1 exerts a force on another body B of mass m2. If the acceleration of B be a2, then the acceleration (in magnitude ) of A is
A. m2/m1 (a2)
B. m1m2 a2
C. m1/m2 (a2)
D. (m1 + m2) a2

25. What does not change when sound enters from one medium to another ?
A. Wavelength
B. Speed
C. Frequency
D. none of these