More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
Physics FSC Part 2 Online MCQ's Test MCQs With Answers
Question # 1
The existence of positron was discovered in:
Choose an answer
1929
1928
1931
1933
Previous
Skip
Next
Question # 2
If the north pole of a magnet moves away from a metallic ring
Choose an answer
Clockwise
Anticlockwise
First clockwise and then anticlockwise
None of above
Previous
Skip
Next
Question # 3
Transistor was discovered by
Choose an answer
Young
Curie
John Bardeen
Shale's
Previous
Skip
Next
Question # 4
The powers of two electric bulbs are 100w and 200w. Which are connected to power supply of 220 V. The ratio of resistance of their filament will be:
Choose an answer
1
:2
2
:1
1
:3
4
:3
Previous
Skip
Next
Question # 5
The electromagnetic spectrum contains
Choose an answer
Radio waves
X-rays
Microwaves
All of these
Previous
Skip
Next
Question # 6
The unit of impedance is
Choose an answer
Farad
Henry
Tesla
Ohm
Previous
Skip
Next
Question # 7
In a pure inductive A.C. circuit the current.
Choose an answer
Lags behind voltage by 90
o
Leads the voltage by 90
o
In phase with voltage
Leads the voltage by 270
o
Previous
Skip
Next
Question # 8
Two parallel wires carrying currents in the opposite direction.
Choose an answer
Repel each other
Attract each other
Have no effect upon each other
They cancel out their individual magnetic fields.
Previous
Skip
Next
Question # 9
Some charge is being given to a conductor. Then its potencial
Choose an answer
Its maximum at surface
Its maximum at Its maximum at center
Is remain same throughout the conductor
Is maximum somewhere between surface and centre
Previous
Skip
Next
Question # 10
Photons emitted in inner shell transition are.
Choose an answer
Continuous X -rays
Discontinuous X rays
Characteristic X rays
Energetic X rays
Previous
Skip
Next
Question # 11
Electric potential at a distance ''r'' from ''q'' is:
Choose an answer
V
r
= 1/54πε
∘
q/r
2
Vr=1/4πε
∘
2
q/r
V
r
=1/4πε
∘
2q/r
V
r
=1/4πε
∘
q
2
/r
Previous
Skip
Next
Question # 12
The first orbit in the hydrogen atom has a radius.
Choose an answer
0.53 nm
0.053 nm
0.0053 nm
0.00053 nm
Previous
Skip
Next
Question # 13
In a coil current change from 2 to 4 A in .05 s . If the average induced emf is 8 V then coefficient of self-inductance is:
Choose an answer
0.2 henry
0.1 henry
0.8 henry
0.04 henry
Previous
Skip
Next
Question # 14
The value of Stefan is constant is:
Choose an answer
4.57 x 10
-8
m
2
k
2
5.67 x10
-8
wm
-2
k
-4
6.67x 10
-11
wm
2
k
4
7.45 x 10
-9
m
2
wk
3
Previous
Skip
Next
Question # 15
The main use of A.C is
Choose an answer
Minimum line losses
Long distance transmission
Stepping up to required voltage only
Steeping down to required voltage only
Previous
Skip
Next
Question # 16
Lenz's law presented in
Choose an answer
1834
1934
1826
1836
Previous
Skip
Next
Question # 17
The fact that electric field exist in space around an electrical charge is
Choose an answer
Electrical property
Gravitational property
Intrinsic property of nature
Extrinsic property of nature
Previous
Skip
Next
Question # 18
By emitting Beta particle and gama particle simultaneously the nucleolus changes in its charges by
Choose an answer
N
N/2
N/4
3N/4
Previous
Skip
Next
Back