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
Which one of the following is undeflected by electric or magnetic field?
Choose an answer
Electrons
β-particles
α-particles
γ-radiations
Previous
Skip
Next
Question # 2
Which one of the following elasticities is possessed by fluids:
Choose an answer
Young's elastic modulus(length)
Bulk elastic modulus(volume)
Modulus of rigidity (shape)
None of these
Previous
Skip
Next
Question # 3
Which component of weight balance the tension T in the string
Choose an answer
mg cos θ
mg sin θ
- mg cos θ
None of these
Previous
Skip
Next
Question # 4
One tesla is equal to
Choose an answer
1 Nm A
-1
1 Na
-1
m
-1
1 Nm
-1
A
None of these
Previous
Skip
Next
Question # 5
In a semi-conductor material, current flows due to
Choose an answer
positive charge
negative charge
both of them
none of them
Previous
Skip
Next
Question # 6
The particles equal in mass or greater than protons are called
Choose an answer
baryons
quarks
leptons
mesons
Previous
Skip
Next
Question # 7
In the study of interference and diffraction, we consider
Choose an answer
plane waves
plane wavefronts
both of them
none of them
Previous
Skip
Next
Question # 8
In LCR circuit which one of the following statements is correct?
Choose an answer
L and R oppose each other
R value increase with frequency
The inductive reactance increases with frequency
The capacitive reactance increases with frequency
Previous
Skip
Next
Question # 9
Thick tar and honey have
Choose an answer
Small coefficient of viscosities
Large coefficient of viscosities
Zero coefficient of viscosities
Moderate coefficient of viscosities
Previous
Skip
Next
Question # 10
A 50 kg man is falling freely force acting on it will be
Choose an answer
5 N
50 N
500 N
zero
Previous
Skip
Next
Question # 11
Work done by centripetal force is
Choose an answer
Maximum
Minimum
Zero
None
Previous
Skip
Next
Question # 12
A two input NAND gate with inputs A and B will be zero iff:
Choose an answer
A is zero
A=0, B=-1
both are zero
both are one
Previous
Skip
Next
Question # 13
After elastic limit the shape of graph is
Choose an answer
Curved
Straight Line
Saw tooth
Arbitrary
Previous
Skip
Next
Question # 14
How many times the radius of the atom is larger than the radius of the nucleus
Choose an answer
10
3
10
5
10
7
None of these
Previous
Skip
Next
Question # 15
The entire positive charge of the atom and mass of the atom is concentrated in the nucleus is
Choose an answer
80%
90%
99.9%
None of these
Previous
Skip
Next
Question # 16
The charge moving perpendicular to the magnetic field 'B' with a certain velocity 'v' experiences
Choose an answer
No Force
Maximum Force
Minimum Force
None of these
Previous
Skip
Next
Question # 17
The maximum drag force on a falling sphere is 9.8 N,it weight is
Choose an answer
1 N
9.8 N
4.9 N
Cannot be calculated
Previous
Skip
Next
Question # 18
Which of the following is the relation of centripetal force?
Choose an answer
mv
2
/r
mv/r
mv
3
/r
mv
3
/r
3
Previous
Skip
Next
Question # 19
Angular frequency 'ω' is basically a characteristic of
Choose an answer
Simple Harmonic motion
Angular motion
Oscillations
None of these
Previous
Skip
Next
Question # 20
The expression F x t is called impulse if the time 't' is
Choose an answer
zero
very large
very small
infinite
Previous
Skip
Next
Question # 21
In petrol engine, the third stroke is the
Choose an answer
Intake
Power
Exhaust
None of these
Previous
Skip
Next
Question # 22
What are the base units of Planks constant h Remember the energy of a photon is given by h
f
where
f
element the frequency
Choose an answer
kgms
-1
kgm
2
s
-1
kgm
2
s
-2
kgm
2
s
-3
Previous
Skip
Next
Question # 23
Given sample of 1 ml hydrogen and 1 ml oxygen both at S.T.P which sample has higher number of molecules
Choose an answer
Oxygen
Hyderogen
It depends upon work when it expands
Both will have the same number of molecules
Previous
Skip
Next
Question # 24
In the Wilson's cloud chamber
α- and
β- particles are detected. What is seen in the chamber when
α-particles are let into the chamber?
Choose an answer
long straggly paths
long continuous straight trials
short continuous straight trails
short straggly paths
Previous
Skip
Next
Question # 25
If band gap between valence and conduction band material is 5 eV. The material is
Choose an answer
Insulator
Good conductor
Semiconductor
Such material are not exist
Previous
Skip
Next
Question # 26
The ultimate tensile strength (UTS) can be regarded as the
Choose an answer
Maximum strength of the material
Nominal strength of the material
Minimum strength of the material
None of these
Previous
Skip
Next
Question # 27
In this pressurized water reactor water is
Choose an answer
Prevent from boiling
Kept under high pressure
Hot water used to produce steam
All of these
Previous
Skip
Next
Question # 28
Velocity of a body changes if
Choose an answer
direction of motion the body changes
speed of the body changes
neither speed nor direction changes
either speed or direction changes
Previous
Skip
Next
Question # 29
Angle between ray of light and the corresponding wavefront is:
Choose an answer
0
°
60
°
90
°
12
0
°
Previous
Skip
Next
Question # 30
For a motor which is over loaded the magnitude of back emf
Choose an answer
becomes zero
get decreased
get increased
remains constant
Previous
Skip
Next
Question # 31
If a liquid is heated in weightlessness,the heat is transmitted through:
Choose an answer
Conduction
Convection
Radiation
Neither because the liquid cannot be heated in weightlessness
Previous
Skip
Next
Question # 32
What is the Young modulus of a meta?
Choose an answer
Extension/force
Force/extension
Strain/stress
Stress/strain
Previous
Skip
Next
Question # 33
Electrical energy is measured in:
Choose an answer
Watt
Horse power
Kilo watt
Kilowatt hour
Previous
Skip
Next
Question # 34
The Bernoulli's equation often expressed in
Choose an answer
Previous
Skip
Next
Question # 35
Which of the circuit element permit the flow of alternating current but not the direct current
Choose an answer
Resister
Capacitor
Inductor
Both inductor and capacitor
Previous
Skip
Next
Question # 36
Which of the following is conserved when light waves interfere
Choose an answer
Intensity
Energy
Amplitude
Momentum
Previous
Skip
Next
Question # 37
The energy of the γ-rays more than 1.02 MeV the dominant process is
Choose an answer
Compton effect
Pair production
Photo electric effect
None of these
Previous
Skip
Next
Question # 38
A magnet can be demagnetized by
Choose an answer
Heating
By dropping it several times
Breaking into two pieces
Both heating and by dropping it several time
Previous
Skip
Next
Question # 39
The force experienced by a charge particle is zero, when the charged particle is projected at
Choose an answer
θ = 0
θ = 90
°
θ = 180
°
θ = 60
°
Previous
Skip
Next
Question # 40
Rutherford in 1918, bombarded α-particle on nitrogen and obtained
Choose an answer
Oxygen and deuterium
Oxygen and proton
Oxygen and tritium
None of these
Previous
Skip
Next
Question # 41
Of the following thermometer, the one which can measure temperature from distance is
Choose an answer
Platinum thermometer
Gas thermometer
Vapour pressure thermometer
Pyrometer
Previous
Skip
Next
Back