ECAT Pre Computer Science Chapter 7 MCQ Test With Answer

Top Scorers Of ECAT Physics Chapter 7 Oscillations MCQ`s Test

Sr.#	Question	Answer
1	Which of the following is an example of SHM(in ideal situations)	A. Motion of simple pendulum B. Motion of horizontal spring man system C. Motion of violin string D. All of these
2	If a mass of 10 gm is suspended from a spring of k = 9.8 Nm^-1, then the extension will be:	A. 1 cm B. 1 m C. 10 mm D. None of these
3	If mass of 10 gm is suspended from a spring of K=0.8 Nm^-1then the extension will be:	A. 10 cm B. 1 m C. 10 mn D. None of these
4	In vibrational motion(SHM)	A. P.E remains conserved B. Average K.E remain constant C. Neither P.E nor K.E remains constant D. Total energy remains constant
5	The number of vibration in two seconds can be expressed as ______ of frequency of vibration is f:	A. f B. 2 f C. 3 f D. 1/2 f
6	If a given spring of spring constant K is cut into two identical segments, the spring constant of each segment is:	A. K/2 B. 2 K C. 4 K D. None of these
7	The acceleration of body executing SHM is directly proportional to	A. Applied force B. Amplitude C. Displacement D. Frictional force
8	Distance covered during one vibration of an oscillating body in terms of amplitude A is:	A. A B. 2 A C. 3 A D. 4 A
9	Second's pendulum is the pendulum whose time period is:	A. 1 second B. 2 second C. 3 second D. None of these
10	Which of the following quantity for particle executing SHM is non-zero at mean position	A. Force B. Acceleration C. Velocity D. Displacement