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
PPSC Physics Full Book MCQs With Answers
Question # 1
On which parameter internal energy of an ideal gas depends upon.
Choose an answer
Volume
Mass
Pressure
Temperature
Previous
Skip
Next
Question # 2
The half life of radium -226 is
Choose an answer
1620 years
45 x 10
9
years
3.8 days
23.5 minutes
Previous
Skip
Next
Question # 3
Force acting on a test charge between the plates of a parallel plate capacitor is F. If one of the plates is removed teh force on the same test charge will be.
Choose an answer
Zero
F/2
F
2 F
Previous
Skip
Next
Question # 4
interference and diffraction of light support the
Choose an answer
Wave nature of light
Transverse nature of light waves
Quantum nature of light
Electromagnetic nature of light
Previous
Skip
Next
Question # 5
What is the overall gain, if three amplifiers each with a gain of 30 are cacaded.
Choose an answer
30
90
270
27,000
Previous
Skip
Next
Question # 6
What is the period of geostationary satellite.
Choose an answer
6 hours
12 hours
18 hours
24 hours
Previous
Skip
Next
Question # 7
Both xenon and cesium each have
Choose an answer
24 isotopes
28 isotopes
32 isotopes
36 isotopes
Previous
Skip
Next
Question # 8
What is the smalless total resistance using only a 6 ohm and 12 ohm resistors.
Choose an answer
2 Ohm
3 Ohm
4 Ohm
6 Ohm
Previous
Skip
Next
Question # 9
It is deduced that a piece of metal is already a magnet if
Choose an answer
A copper wire is attracted to it
A copper wire is repelled by it
One end of a compass is repelled by it
Both ends of a compass needle are attracted to it.
Previous
Skip
Next
Question # 10
A 800 W toaster and a 1.3 kW frying pan are plugged into the same 120 V lines, then
Choose an answer
Fuse will not blow
Fuse will blow
Supply will spark
Only toaster can work
Previous
Skip
Next
Question # 11
Radio carbon in the atmosphere is produced by the bombardment of.
Choose an answer
Oxygen by high energy neutrons
Oxygen by high energy protons
Nitrogen by high energy protons
Nitrogen by high energy neutrons
Previous
Skip
Next
Question # 12
Newton proposed his corpuscular theory on the basis on
Choose an answer
Newton's rings
Polarization
Dispersion of white light
Rectilinear property of light
Previous
Skip
Next
Question # 13
Which of the following quantity is defined in terms of the rate of change of electric displacement field.
Choose an answer
Conventional current
Electronic current
Displacement current
Pulsating current
Previous
Skip
Next
Question # 14
How much large is the proton mass than the electron mass.
Choose an answer
1536
1636
1736
1836
Previous
Skip
Next
Question # 15
The SI unit of viscosity is.
Choose an answer
Kg m -1 s-2
kg m-1 s-1
kg ms=-1
kg m s-2
Previous
Skip
Next
Question # 16
A p-type material is formed then a semiconductor is doped with
Choose an answer
Trivalent impurity
Tetravalent impurity
All of above
A material having excess of free electrons
Previous
Skip
Next
Question # 17
A heat engine with 100% efficiency would have to
Choose an answer
Do no work
Be at a uniform temperature
Use no heat
Discharge at 0
o
C
Previous
Skip
Next
Question # 18
If the vector sum of all the torques is zero then
Choose an answer
1st condition is satisfied
2nd condition is satisfied
Centre of mass is lowered
Gravity becomes zero
Previous
Skip
Next
Question # 19
Object may acquire an excess or deficiency of charge by
Choose an answer
Rubbing them together
Grounding them
Applying coulomb's principle
Shielding them
Previous
Skip
Next
Question # 20
On which principle the induction coil works on.
Choose an answer
Self induction
Ampere's rule
Mutual induction
Gauss's law
Previous
Skip
Next
Question # 21
The SI unit of plane angle is
Choose an answer
Radian
Degree
Steradian
Radian per second
Previous
Skip
Next
Question # 22
Lagging of magnetic flux density behind magnetic field is known as.
Choose an answer
Permeability
Susceptibility
Hysteresis
Uncertainty
Previous
Skip
Next
Question # 23
The follow of heat from hot body to cold body is an example of
Choose an answer
Adiabatic process
Isothermal process
Reversible process
Irreversible process
Previous
Skip
Next
Question # 24
Ethanol is a replacement of
Choose an answer
Gasoline oil
Kerosene oil
Refinery oil
vegetable oil
Previous
Skip
Next
Question # 25
The normal adjustment the magnifying power of an astronomical telescope is.
Choose an answer
fe/fo
fo/fe
fo+ fe
fo -fe
Previous
Skip
Next
Question # 26
A heat sensitive resistor is called.
Choose an answer
Thermistor
Varibale resistor
Fixed resistor
Zero resistor
Previous
Skip
Next
Question # 27
The angle of incidence that causes the refracted ray in the rarer medium to bend though 90
o
is called.
Choose an answer
Critical angle
solid angle
Plane angle
Acute angle
Previous
Skip
Next
Question # 28
In simple harmonic motion it is found that the total energy of a system.
Choose an answer
Is independent of the amplitude
Depends on the amplitude squared
Is independent of the mass
All of these
Previous
Skip
Next
Question # 29
If the earth stopped rotating the weight of objects at either pole would.
Choose an answer
Be grater
Be less
Vary with altitude
Be the same before
Previous
Skip
Next
Question # 30
Why a positively charged object is made neutral by someone touching it.
Choose an answer
Electrons flow from the object
Protons flow onto the object
Protons flow from the object
Protons flow onto the object
Previous
Skip
Next
Question # 31
Which Isotopes is use din radioactive dating.
Choose an answer
C
12
C
13
C
14
C
16
Previous
Skip
Next
Back