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
MDCAT Physics Online Test MCQs With Answers
Question # 1
An airplane flies 400 m from north and then files 300 m south and then flies 1200 m upwards then net displacement is
Choose an answer
1200 m
1300 m
1400 m
1500 m
Previous
Skip
Next
Question # 2
A light wave produced by oscillating charge consists of a periodic variation of
Choose an answer
electric field
magnetic field
either of them
both of them
Previous
Skip
Next
Question # 3
The path difference and phase difference are related to each other as
Choose an answer
Phase difference = (2
π
) x path difference
Phase difference = (2
π
/
λ
) x path difference
Phase difference = (
λ
/2) x path difference
Phase difference = (2
λ
/
π
) x path difference
Previous
Skip
Next
Question # 4
The wave form of SHM is
Choose an answer
Pulsed wave
Square wave
Triangular waved
Sine wave
Previous
Skip
Next
Question # 5
P-type semi conductor is electrically
Choose an answer
Positive charged
Negatively charged
Neutral
No one
Previous
Skip
Next
Question # 6
Speed of sound is air at 20°C is
Choose an answer
307 ms
-1
315 ms
-1
332 ms
-1
300 ms
-1
Previous
Skip
Next
Question # 7
In sound waves during compression
Choose an answer
Density medium is maximum
Pressure of medium is maximum
Density of medium is minimum
Both A and B
Previous
Skip
Next
Question # 8
The diffraction is found to be prominent when the wavelength of light is
Choose an answer
small as compared with the size of obstacle
large as compared with the size of obstacle
equal as compared with the size of obstacle
Very small as compared with the size of the obstacle
Previous
Skip
Next
Question # 9
The inductor coil is often use for controlling
Choose an answer
A.C.
D.C.
A.C. and D.C.
None of these
Previous
Skip
Next
Question # 10
The unit of Planck's constant h is same as that of
Choose an answer
Energy
Work
Linear momentum
Angular momentum
Previous
Skip
Next
Question # 11
If moon radius 1600 km and g on its surface is 1.6 ms
-2
Then the escape velocity on the moon is
Choose an answer
1600 ms
-1
50.6 ms
-1
50.8 ms
-1
2263 ms
-1
Previous
Skip
Next
Question # 12
Mass of neutron is nearly same as that of
Choose an answer
Meson
Proton
Electron
Lepton
Previous
Skip
Next
Question # 13
The projectile is the motion which is
Choose an answer
One dimensional
Two dimensional
Three dimensional
None of these
Previous
Skip
Next
Question # 14
The output of a two-input AND gate has output 1 only when
Choose an answer
Both inputs are 3
Both inputs are 1
Either input is 2
Either input is 6
Previous
Skip
Next
Question # 15
When the magnitude of the drag force becomes equal to the weight, the net force acting on the droplet
Choose an answer
Minimum
Zero
Maximum
None
Previous
Skip
Next
Question # 16
When the pn-junction is forward biased, the current flows through it is of the order of
Choose an answer
milli-amperes
amperes
nano-amperes
micro-amperes
Previous
Skip
Next
Question # 17
The waves of generated springs are also called
Choose an answer
Sound waves
Compressional waves
Mechanical waves
None of these
Previous
Skip
Next
Question # 18
General theory of relativity is applicable in the
Choose an answer
Inertial frame of reference
Non-inertial frame of reference
Both frames of reference
None of these
Previous
Skip
Next
Question # 19
A change in position of a body from its initial position to its final position is known as
Choose an answer
relative motion
displacement
distance
acceleration
Previous
Skip
Next
Question # 20
The velocity of free electrons at room temperature due to their thermal motion is
Choose an answer
Several hundred km/s
Several thousand km/s
Several kilometer per second
None of these
Previous
Skip
Next
Question # 21
The S.I. unit of an electric flux is
Choose an answer
NmC
-1
NmC
-2
Nm
2
C
-1
Nm
2
C
-2
Previous
Skip
Next
Question # 22
Most of electrons in the base of an NPN transistor flow:
Choose an answer
Out of the base load
Into the collector
Into the emit
Into the base supply
Previous
Skip
Next
Question # 23
The velocity of the body is zero at
Choose an answer
Mean position
Extreme position
Between mean and extreme position
None of these
Previous
Skip
Next
Question # 24
Can a body rotate about its centre of gravity under the action of its weight ?
Choose an answer
No
yes
Both
None of these
Previous
Skip
Next
Question # 25
Magnetic flux density at any point due to current carrying conductor can be computed by:
Choose an answer
Ampere's law
Faraday's law
Lenz's law
Newton's law
Coulomb's law
Previous
Skip
Next
Question # 26
Solids having partially field conduction bands are
Choose an answer
Insulator
Semiconductor
Super conductor
Semi conductor
Previous
Skip
Next
Question # 27
The path difference involved in interference in thin films depends upon
Choose an answer
Thickness and nature of thin films
Angular of incidence of light
Nature of media on both sides of thin film
All of these
Previous
Skip
Next
Question # 28
A line whose tangent at each point is in the direction of an electric intensity at that point is called
Choose an answer
Charge
Voltage
Electric force
None of these
Previous
Skip
Next
Question # 29
The gas filled in a glass tube in e/m experiment is hydrogen at
Choose an answer
Low pressure
Very low pressure
High pressure
None of these
Previous
Skip
Next
Question # 30
The intensity of γ-rays in solids falls off with the depth of penetration into the material
Choose an answer
Directly proportional
Exponentially
Inverse proportionally
None of these
Previous
Skip
Next
Question # 31
All real heat engines are less efficient than carnot engine due to
Choose an answer
Work substance
Friction
0 K
All of these
Previous
Skip
Next
Question # 32
In radar system, the elevation and speed of an aeroplane is determined by using
Choose an answer
Microwaves
Radio waves
X-rays
None of these
Previous
Skip
Next
Question # 33
The graph of a D.C terminal voltage is a
Choose an answer
circle
parabola
straight line
curve
Previous
Skip
Next
Question # 34
The distance between two consecutive crests or trough is called
Choose an answer
Amplitude
Frequency
Wavelength
None of these
Previous
Skip
Next
Question # 35
In the unit of unified mass scale, the mass of an electron is:
Choose an answer
1.007276u
1.008665u
0.00055u
0.000055u
None of these
Previous
Skip
Next
Question # 36
The colour code for the colour Gray is
Choose an answer
7
8
9
5
Previous
Skip
Next
Question # 37
The distance to the nearest galaxy is
Choose an answer
10
20
m
10
29
m
10
30
m
10
31
m
Previous
Skip
Next
Question # 38
If the voltage applied to gate is 0.5 volt, the gate will recognize it as
Choose an answer
Low
High
Very low
None of these
Previous
Skip
Next
Question # 39
Max Planck received the Nobel Prize in Physics in
Choose an answer
1915
1918
1923
None of these
Previous
Skip
Next
Question # 40
One gray is equal to
Choose an answer
1 N kg
-1
1 dyne kg
-1
1 J kg
-1
None of these
Previous
Skip
Next
Question # 41
The '
β
' is the coefficient of the gas for
Choose an answer
Linear expansion
Volume expansion
Area expansion
None of these
Previous
Skip
Next
Back