- AAbsorbed
- BReleased
- CNo change
- DRemains constant
Explanation:
Released When electron emits energy it becomes stable and jump from higher energy level (outer shell) to lower energy level (inner shell).
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
The output of OR gate is 1
|
(a) If both inputs are zero |
(b) If either or both inputs are 1 |
|
(c) Only if both input are 1 |
(d) If either input is zero |
When a ray of light passes from a denser to a rarer medium:
Which one of the following phenomena is not explained by Huygen's construction of wavefront
|
(a) Refraction |
(b) Reflection |
(c) Diffraction |
(d) Origin of spectra |
Which of the following statements is true for an N-type semi-conductor
|
(a) The donor level lies closely below the bottom of the conduction band |
|
(b) The donor level lies closely above the top of the valence band |
|
(c) The donor level lies at the halfway mark of the forbidden energy gap |
|
(d) None of above |
The electric field in a region is radially outward with magnitude E = . The charge contained in a sphere of radius
centered at the origin is
|
(a) |
(b) |
(c) |
(d) |