ECAT Pre Engineering Physics Chapter 7 online mcq test with answers for chapter 7 (Oscillations)

Physics ECAT Pre Engineering Chapter 7 Oscillations Online Test

Sr. #	Questions	Answers Choice
1	The time period of a simple pendulum is independent of its:	Length Mass Value of g Both A and B
2	A body of mass 0.031 kg attached to one end of a spring of spring constant 0.3 N/m, then time period of spring mass system will be:	1.5 sec 2.0 sec 2.3 sec 2.5 sec
3	Distance covered during one vibration of an oscillating body in terms of amplitude A is:	A 2 A 3 A 4 A
4	When quarter of a circle is completed, the phase of vibration is:	90<span style="font-size: 10.5pt; line-height: 107%; font-family: Arial, sans-serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">°</span> 180<span style="font-size: 10.5pt; line-height: 107%; font-family: Arial, sans-serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">°</span> 45<span style="font-size: 10.5pt; line-height: 107%; font-family: Arial, sans-serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">°</span> 360<span style="font-size: 10.5pt; line-height: 107%; font-family: Arial, sans-serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">°</span>
5	The body oscillates due to ______ accelerates and overshoots the rest position due to _______	Applied force, Inertia Restoring force, Friction Frictional force, Inertia Restoring force, Inertia
6	Amplitude in SHM is equivalent to ______ in circular motion	Diameter Radius Circumference None of these
7	The graph showing the variation of displacement with time is a	Sine curve Straight line Parabola None of these
8	When a body is vibrating, the displacement from mean position	Increases with time Decreases with time Changes with time None of these
9	The restoring force is ______ and opposite tot he applied force within ______	Equal, Elastic limit Different, The walls of the laboratory Different, Elastic limit None of these
10	The SI unit of spring constant is identical with that of	Force Surface tension Pressure Loudness
11	Which one of the following is an example of SHM	Motion in a plane Motion in a swing Motion in a car None of these
12	The unit of spring constant is	J-sec Metre Nm<sup>-1</sup> None of these
13	If time period of a pendulum is doubled by increasing its length, then its frequency will	Also be doubled Become half Become one fourth Becomes four times
14	Velocity of particle executing SHM will be maximum at	Extreme position Mean position b/w mean and extreme None
15	A particle executes SHM with frequency. The frequency with which its K.E oscillates is	f/2 2f f 4f

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