JAC 12th Model Paper 2022 Biology Live Test [SET-1]

1. Which of the following phenomena establishes the particle nature of light?

2. Which phenomenon shows that light is a. transverse waves?

3. An electric dipole of moment p is lying along a uniform electric field E. The work done in rotating the dipole by 90° is -

4. Which of the following gates is a Universal logic Gate?

5. When a lens is immersed in water its focal length-

6. With rise in temperature resistivity of an intrinsic semiconductor is

7. Wavelength of matter wave is given by

8. When born is added as impurity to Silicon the resulting material is-

9. Diopter is a unit for

10. Radioactivity is a phenomenon associated with -

11. A point charge q is placed in an electric field of magnitude E. The force experienced by the charge will be -

12. A plane wavefront is a part of-

13. In LCR circuit the voltage across each components ofL, C and R is 50V. The voltage across LC combination will be-

14. In an electric circuit the algebraic sum of current meeting at a point is -

15. Kirchoff's point rule is a direct consequence of law of conservation of

16. Henry is a unit for

17. In semiconductor,  electrical conductivity due to

18. Mirage is observed in desert due to -

19. Which of the following electromagnetic waves has longest wavelength?

20. Which of the following is not a fundamental particle ?