Oscillations MCQs
Multiple choice questions.
1.) Fill in the blank.
The _______ at any instant of a body executing SHM is proportional to displacement and is always directed towards its mean position.
a) force. b) velocity
c) acceleration. d) displacement
Ans : c) acceleration
2.) One complete round trip of the body in motion called
a) force. b) velocity
c) acceleration. d) vibration
Ans : d) vibration
3.) The number of vibrations executed by a body in one second is called
a) acceleration. b) vibrating motion
c) frequency. d) time period
Ans : c) frequency
4.) Frequency can be expressed as
a) Cycle per second
b) Frequency per Newton
c) Vibration per metre
d) Newton per second
Ans : a) Cycle per second
5.) The relation between frequency and time period is
a)f = 2T. b) f = T/2
c) f = 1/T. d) f = 2π/T
Ans : c) f = 1/T
6.) The relation between angular frequency and time period is
a)ω = 2πT. b) ω = 2π/T
c) ω = π/2T. d) ω = T/2π
Ans : b) ω = 2π/T
7.) The relation between angular frequency and frequency
a) ω = 2πf. b) ω = 2π/f
c) ω = π/2f d) ω = f/2π
Ans : b) ω = 2πf
8.) Complete the formula of time period of simple harmonic motion of the pendulum is,T = ____
a) 2π√(l/g). b) 2π√l ×g
c) 2π/√(lg). d) 2π√(g/l)
Ans : a) 2π√(l/g)
9.) The time period of the simple pendulum is only depends on
a) Mass of the pendulum
b) Length of the pendulum
c) Radius of the pendulum
d) Acceleration due to gravity
Ans : b) Length of the pendulum
10.) The time period of the simple pendulum is independent of
a) Mass of the pendulum
b) Length of the pendulum
c) Radius of the pendulum
d) Acceleration due to gravity
Ans : a) Mass of the pendulum
11.) A physical system under going forced vibrations is known as _______ harmonic oscillation.
a) simple. b) driven
c) machanic. d) chemical
Ans : b) driven
12.) Associated with the motion of driven harmonic oscillator there is a very striking phenomenon, know as
a) Oscillation. b) Resonance
c) Acceleration. d) Time period
Ans : b) Resonance
13.) The process whereby energy is dissipated from the oscillating system is called,
a) Driven. b) Resonance
c) Damping. d) Time period
Ans : c) Damping
14.) The motion is the one that repeats itself after equal intervals of time then the motion is called
a) Periodic motion. b) Oscillatory motion
c) gravitational motion. d) atomic motion
Ans : a) Periodic motion
15.) The motion which is to and fro motion about a mean position, then the motion is called,
a) Periodic motion.
b) Oscillatory motion
c) gravitational motion.
d) atomic motion
Ans : b) Oscillatory motion
16.) Restoring force opposes the _______ of the body.
a) change in shape.
b) gravity
c) applied force.
d) velocity
Ans : a) change in shape
17.) Restoring force is equal and opposite to.
a) change in shape.
b) gravity
c) applied force.
d) velocity
Ans : c) applied force
18.) A vibratory motion in which Acceleration is directly proportional to displacement from mean position and is always directed towards the mean position is known as.
a) Vibrational motion.
b) Simple harmonic motion
c) Displaced motion.
d) directed motion
Ans : b) Simple harmonic motion
19.) The projection of a particle moving in a circle executes SHM, its time period T is
a)2π/ω. b) 2ω/π
c) 3π/2ω. d) π/2ω
Ans : a) 2π/ω
20.) The vibration motion of a mass attached to an elastic spring is SHM and its time period is T = ________
a)2πm/k. b) 2π√(m/k)
c) 2π√m/k. d) 2πm/√k
Ans : b) 2π√(m/k)
21.) The vibratory motion of the bob of simple pendulum an
a) Simple harmonic motion
b) Gravitational motion
c) Velocity motion
d) Displaced motion
Ans : a) Simple harmonic motion
22.) The specific response of a system to a periodic force acting with the natural vibrating period of the system is called.
a) Oscillation. b) Resonance
c) Acceleration. d) Time period
Ans : b) Resonance
23.) The quantity which indicates the state of motion of a vibrating particle generally referred by the phase angle , is known as
a) Phase of velocity
b) Phase of Acceleration
c) Phase of vibration
d) Phase of displacement
Ans : c) Phase of vibration