BISMILLAH ACADEMY OF MODERN SCIENCE MEHAR
NEAR SINDH LABORATORY MEHAR
OSCILLATION CHAPTER
OSCILLATION TEST
Qno1: which of the following does not exhibit SHM?
(A) a plucked violin string (C) a train shunting between two
(B) a mass attached to a spring terminals
(D) a simple pendulum
Qno2: Total distance traveled by bob of simple pendulum in one vibration is equal to :
(A) Amplitude (C) double of amplitude
(B) square of amplitude (D) quadruple of amplitude
Qno3: if a body completes ‘n’ vibrations in time periods ‘T’ its frequency is?
1 (C) f=nT
(A) f =
T n
(D) f =
n t
(B) f =
T
Qno4: simple harmonic motion is a type of:
(A) Rotational motion (C)musical arrangements
(B) circular motion (D)oscillatory motion
Qno5: for a body to perform simple harmonic motion, it must obey conditions?
(A) the system must obey hooks law (C) the body exciting SHM must move
(B) the system have inertia along a straight line
(D) all of above
Qno:6 a body moving in a circle with uniform speed its motion is:
(A)periodic & simple harmonic (C)variable
(B) periodic but not SHM (D) none
Qno7: a body in simple harmonic motion makes “n” complete oscillation in one seconds
the angular frequency of this motion?
(A) π radians (C) 2 π n rad /s
1 n
(B) (D)
π rad /s 2 π n rad / s
Qno8: the base unit of spring constant?
(A) kg.s (C) kg/ s2
(B)kg/m 2
(D) kg/m2
Qno9: a small value of “k” is an indication of?
(A) stiff spring (C) small force
(B) soft spring (D) small displacement
Qno10: spring use in the suspension of cars has?
(A) small “k” (C) Moderate “k”
(B) large “k” (D) None of these
Qno11: two spring of springs constant K1 and K2 are stretched by the same force . they
are stretched by X1 and X2 respectively , if K1 ¿ K2 ?
(A) X1=X2 (C) X1¿X2
(B) X1¿X2 (D) depends upon length of the spring
Qno12: if the spring is cut into half its spring constant becomes
(A)”K” (B) “2K” (C) K/2 (D) 4K
Qno13: a spring has certain mass is attached to it and its period of oscillation is T the
spring is now cut into two equal halves and the same mass is suspended from one of the
halves. The period of oscillation is now?
(A) T/2 (C)√ 2 T
BISMILLAH ACADEMY OF MODERN SCIENCE MEHAR
NEAR SINDH LABORATORY MEHAR
OSCILLATION CHAPTER
(B)T/√ 2 (D) 2T
Qno14: the spring constant of a spring is (K) if the spring is cut into two halves then the
spring constant of one of the half is
(A)K+2 (C) 2k
(B)K/2 (D)K
Qno15: the equation for acceleration of body performing SHM is?
(A) a =-w2x (C) a =- wx
(B) a =-w2y (D)both A & B
Qno16: which one of the following varies when an object executes simple harmonic
motion?
(A) angular (B)total energy (C) force (D) amplitude
frequency
Qno17: to make the double of spring oscillation we have to;
(A) reduces the mass to one fourth (C) double the mass
(B) quadruple the mass (D) half the mass
Qno:18 if the length of the simple pendulum becomes four times then its time period
will become.
(A) four time (C) half
(B) two times (D) one fourth
Qno19: the period of simple pendulum double when
(A) its length is doubled (C)its length is made four times
(B) the mass of the bob is doubled (D) the mass and length of the pendulum is
made two times
Qno20: the restoring force acting on pendulum is given by?
(A) mgsin@ (B) - mgsin@ (C) mgcos@ (D) – mgcos@
Qno21: the length of 2 pendulum is?
nd
(A) 100 cm (B) 99 cm (C)99.2 cm (D) 98 cm
Qno: 22 how much will be the length of a simple pendulum if its time periods is one
second?
(A) 2.5m (B) 0.25 m (C) 25m (D) 0.025m
Qno: 23 The time period of a simple is 2 seconds. If the length is increased by 4 times
then the time period becomes.
(A)16s (B) 12s (C) 8s (D)4s
Qno24: natural frequency of simple pendulum depends upon :
(A) mass (C) square of length
(B) length (D) squareroot of its length
Qno25: the frequency of a simple pendulum if its length is 1m is?
(A) 0.5 Hz (B) ! Hz (C) 2 Hz (D) 3 Hz
Qno26:
(A) (B) (C) (D)
(A) (B) (C) (D)
(A) (B) (C) (D)
(A) (B) (C) (D)
BISMILLAH ACADEMY OF MODERN SCIENCE MEHAR
NEAR SINDH LABORATORY MEHAR
OSCILLATION CHAPTER
(A) (B) (C) (D)
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