MCQ
What type of semiconductor is CdS?
- AElemental
- BOrganic
- ✓Inorganic
- DOrganic polymer
✓
Answer
Correct option: C.
Inorganic
C
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Two capacitors of 3pF and 6pF are connected in series and a potential difference of 5000 V is applied across the combination. They are then disconnected and reconnected in parallel. The potential between the plates is
|
(a) 2250 V |
(b) 2222 V |
(c) 2.25 |
(d) 1.1 |
Three right angled prisms of refractive indices 
and 
are fixed together using an optical glue as shown in figure. If a ray passes through the prisms without suffering any deviation, then
|
(a) |
(b) |
|
(c) |
(d) 1 + |
Two point charges of the same polarities are hung with the help of two threads and kept close. The angle between the threads will be _________ if the system is taken to space.
Figures below show regular hexagons, with charges at the vertices. In which of the following cases the electric field at the centre is not zero
Four capacitors are connected in a circuit as shown in the figure. The effective capacitance in μF between points A and B will be
|
(a) |
(b) 4 |
(c) 5 |
(d) 18 |
The energy density in the electric field created by a point charge falls off with the distance from the point charge as:
The relation between voltage sensitivity (
) and current sensitivity (
) of a moving coil galvanometer is (Resistance of Galvanometer = G)
|
(a) |
(b) |
(c) |
(d) |
In Fig. X represents time and Y represent activity of a radioactive sample. Then the activity of sample, varies with time according to the curve
|
(a) A |
(b) B |
(c) C |
(d) D |
Louis de -Broglie is credited for his work on:
Alnico is used for making permanent magnets because it has: