PHYSICS MCQS TEST
PUNJAB COLLEGE DASKA
NAME:
____________________________ ROLL
NO.:_______________SECTION:________________
Time Allowed: 30 Minutes
Max. Marks:
30
Each question has four possible answers. Tick () the correct
answer with marker or pen ink Cutting or overwriting two or more
options will result in zero mark in that question:
1)
The acceleration at any instant of a body executing SHM is proportional to displacement and
is always directed towards the:
(a) Mean position
(b) Extreme position (c) In between
(d) None of these
2)
Phase is angle
3)
(a) Displacement
(b) direction of motion (c) both a & b
In horizontal mass spring system angular frequency is equal to:
(a)
l
g
(b)
(d)
4)
5)
6)
7)
8)
9)
10)
11)
12)
13)
14)
15)
16)
17)
=t which specifies :
g
l
(c)
(d) none of these
k
m
m
k
If a body is executing SHM then at its mean position velocity is:
(a) maximum
(b) minimum
(c) zero
If a body executing SHM then its total energy will be:
(d) all of these
(a)
(d) 2 kx02
1
2
kx2
(b) 2 kx2
(c)
1
2
kx02
A driven harmonic oscillator is a physical system under going:
(a) Free vibrations
(b) forced vibrations
(c) both (a) & (b)
(d) none of these
________ is the process whereby energy is dissipated from the oscillating system:
(a) Resonance
(b) Simple pendulum (c) Damping
(d) SHM
Shock absorber is the application of:
(a) Damped oscillations(b) free oscillation
(c) forced oscillation (d) Oscillations
When a body moves in a circle, its projection performs which type of motion:
(a) Circular
(b) simple harmonic
(c) angular
(d) linear
Length of 2nd pendulum is:
(a) 100 cm
(b) 99.5 cm
(c) 99.2 cm
(d) 99 cm
If the length of simple pendulum four times then its time period will becomes:
(a) 2 times
(b) 4 times
(c) 6 times
(d) 8 times
In SHM the velocity of a particle is minimum at:
(a) Mean position
(b) Extreme position
(c) between mean & extreme(d) all of these
The frequency of 2nd pendulum is:
(a) 0.5 hertz
(b) 1 hertz
(c) 1.5 hertz
(d) 2 hertz
In vibratory motion:
(a) P.E. remains constant
(b) total energy remain constant
(c) K.E. remain constant
(d) total momentum remain constant
The waveform of S.H.M. is:
(a) standing wave
(b) square wave (c) sine wave
(d) all of these
S.I unit of frequency is:
(a) Cycles per second
(b) Vibrations per second
(c) Hertz
(d) all of these
The acceleration of a projection on the diameter for a particle moving along a circle is :
PHYSICS MCQS TEST
(a)
18)
19)
PUNJAB COLLEGE DASKA
(b)
(c)
7
(d)
The time period of a second pendulum is:
(a) 4 seconds
(b) 3 seconds
(c) 2 seconds
(d) 1 seconds
The force responsible for the vibratory motion of the simple pendulum is:
(a)
mg
(b)
mgcos
(c)
mgsin
(d)
mgtan
20)
21)
22)
The energy of SHM is maximum at:
(a) Mean position
(b) Extreme position
(c) between mean & extreme
(d) all of these
The product of frequency and time period is equal to:
(a) 1
(b) 2
(c) 3
The displacement of SHM is written as
x=x 0 sint
(d) 4
if displacement is written by
x=x 0 then phase constant will be equal to:
23)
24)
25)
26)
27)
28)
29)
30)
(a) 00
(b) 450
(c) 900
(d) 1800
Which one of the following does not work according to resonance:
(a) Microwave oven (b) Radio
(c) T.V
(d) Bulb
Electrical resonance is observed in:
(a) Radio
(b) Microwave oven
(c) Swing
(d) all of these
Total distance traveled by bob of simple pendulum in one vibration is equal to:
(a) x0
(b) 2x0
(c) 3x0
(d) 4x0
At Murree Hills (Assume value of g changes). If we use a simple pendulum as time standard
then one second duration will.:
(a) Increase
(b) Decrease
(c) zero
(d) remains same
The distance covered by a body in one complete vibration is 20cm. What is the amplitude of
body:
(a) 5 cm
(b) 10 cm
(c) 15 cm
(d) 20 cm
In SHM the K.E of a particle is maximum at:
(a) Mean position
(b) Extreme position
(c) between mean & extreme
(d) all of these
In SHM the P.E of a particle is minimum at:
(a) Mean position
(b) Extreme position
(c) between mean & extreme
(d) all of these
The projection of a particle moving in a circle executes SHM. Its time period is:
a
2 2
(b)
2
(d)
2
2
(c)
2
2
