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 ECAT Pre Engineering Online Test MCQs With Answers
Question # 1
Inertia mass and gravitational mass are
Choose an answer
opposite
identical
identical when there is no friction
all of them
Previous
Skip
Next
Question # 2
The maximum stress that a material can withstand, is known as
Choose an answer
plastic point
elastic limit
yield point
ultimate tensile strength
Previous
Skip
Next
Question # 3
The SI unit of current is
Choose an answer
watt
coulomb
volt
ampere
Previous
Skip
Next
Question # 4
Machine parts are jammed due to:
Choose an answer
Increasing in viscosity of lubricant
Decreasing in viscosity of lubricant
Decreasing in surface tension of lubricant
None of these
Previous
Skip
Next
Question # 5
A carnot cycle consists of
Choose an answer
One step
two step
three steps
four steps
Previous
Skip
Next
Question # 6
Energy is stored in the choke coil in the form of
Choose an answer
Heat
Magnetic energy
Electric energy
Electro-magnetic energy
Previous
Skip
Next
Question # 7
The commercial unit of electrical energy is :
Choose an answer
K Watt
KWH
Horse power
Joule
Previous
Skip
Next
Question # 8
In the force applied is parallel to the direction of motion, then work done is:
Choose an answer
Maximum
Minimum
Zero
None of these
Previous
Skip
Next
Question # 9
In a coil current change from 2 to 4 A in .05 s. If the average induced emf is 8V 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 # 10
Blood vessels can be stretch like rubber, therefore they are
Choose an answer
rigid
hard
very thick
not rigid
Previous
Skip
Next
Question # 11
Consider a spherical shell of metal at he centre of which a positive point charge is kept
Choose an answer
The electric filed is zero outside the shell
The electric field is zero everywhere
The electric field is zero in the region inside the shell
The electric field is non-zero in both regions outside and inside the shell
Previous
Skip
Next
Question # 12
The first shell near the neucles is
Choose an answer
L-shell
X-shell
N-shell
M-shell
Previous
Skip
Next
Question # 13
The magnitude of the force producing an acceleration of 10 m/sec2 in a body of mass 500 grams is:
Choose an answer
3 N
4 N
5 N
6 N
Previous
Skip
Next
Question # 14
The basic circuit element in D.C. circuit is:
Choose an answer
A capacitor
A resistor
An inductor
Both (A) and (C)
Both (A) and (B)
Previous
Skip
Next
Question # 15
Significant figures in 0.0010 are:
Choose an answer
Four
Three
Two
One
Previous
Skip
Next
Question # 16
A body can have constant velocity when it follows:
Choose an answer
A circular path
A rectilinear path
Trajectory of a projectile
None of these
Previous
Skip
Next
Question # 17
The direction of the acceleration is the same as that of
Choose an answer
speed
velocity
both of them
none of them
Previous
Skip
Next
Question # 18
Example of progressive wave is
Choose an answer
transverse waves
longitudinal waves
both of them
none of them
Previous
Skip
Next
Question # 19
The device which allows only the flow of an A.C. through a circuit is
Choose an answer
Capacitor
Inductor
D.C. motor
Battery
Previous
Skip
Next
Question # 20
The unit of work function is:
Choose an answer
Joule
Electron volt
That of threshold frequency
Both (A) and (B)
None of these
Previous
Skip
Next
Question # 21
1 gm-cm
-3
is equal to:
Choose an answer
10
3
kg-m
-3
10
-3
kg-m
-3
1 kg-m
-3
10
6
kg-m
-1
Previous
Skip
Next
Question # 22
A full-scale deflection is obtained in a galvanometer with a current of few
Choose an answer
ampere
volts
milliampere
ohm
Previous
Skip
Next
Question # 23
The waves which propagate through the oscillations of material particles are known as:
Choose an answer
Mechanical waves
Electromagnetic waves
Any of them
None of them
Previous
Skip
Next
Question # 24
Mass of proton is of order of
Choose an answer
10
-31
gm
10
-27
kg
10
-24
gm
10
+27
kg
Previous
Skip
Next
Question # 25
Swimming becomes possible because of______law of motion.
Choose an answer
First
Second
Third
None of these
Previous
Skip
Next
Question # 26
The most abundant isotope of neon is
Choose an answer
neon-20
neon-21
neon-22
neon-23
Previous
Skip
Next
Question # 27
Maric Curie and Pieree Curie discovered two new radioactive elements, which are called
Choose an answer
polonium uranium
uranium and radium
polonium and radium
none of these
Previous
Skip
Next
Question # 28
An object undergoes S.H.M has maximum speed when its displacement from the mean position is
Choose an answer
maximum
zero
half of the maximum value
one third of the maximum value
Previous
Skip
Next
Question # 29
Which of the following medium/media can transmit both transverse and longitudinal waves:
Choose an answer
Solids
Liquids
Gases
All of them
Previous
Skip
Next
Question # 30
The energy of photon 'E' is proported to
Choose an answer
The magnetic field H
The electric field E
Both the electric and magnetic field H and E
Frequency
Previous
Skip
Next
Question # 31
Resolving power in mth order diffraction for grating is given by:
Choose an answer
R = N/m
R = m/N
R = N x m
None of these
Previous
Skip
Next
Back