MCQ
For which quantum number of the binding of electron is zero in hydrogen atom?
- A1
- B10
- C100
- ✓infinite
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When current flows through a conductor, then the order of drift velocity of electrons will be
|
(a) |
(b) |
(c) |
(d) |

A cell is connected between two points of a uniformly thick circular conductor. The magnetic field at the centre of the loop will be (Here and
are the currents flowing in the two parts of the circular conductor of radius ‘a’ and
has the usual meaning)
|
(a) Zero |
(b) |
(c) |
(d) |
A beam of electron is used in an YDSE experiment. The slit width is d. When the velocity of electron is increased, then
|
(a) No interference is observed |
(b) Fringe width increases |
|
(c) Fringe width decreases |
(d) Fringe width remains same |