MCQ
For which quantum number of the binding of electron is zero in hydrogen atom?
- A1
- B10
- C100
- ✓infinite
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In the circuit shown below, the power developed in the 6W resistor is 6 watt. The power in watts developed in the 4W resistor is
|
(a) 16 |
(b) 9 |
(c) 6 |
(d) 4 |
A charged particle of mass 0.003 gm is held stationary in space by placing it in a downward direction of electric field of 6
. Then the magnitude of the charge is
|
(a) 5 |
(b) 5 |
(c) -18 |
(d) -5 |
Carbon, silicon and Germanium atoms have four valence electrons each. Their valence and conduction band are separated by energy band gaps represented by (Eg)C. (Eg)Si and (Eg)Ge respectively. Which one of the following relationship is true in their case
|
(a) ( |
(b) |
(c) |
(d) |