1
WB JEE 2017
MCQ (Single Correct Answer)
+1
-0.25
Change Language
The velocity of a particle executing a simple harmonic motion is 13 ms$$-$$1, when its distance from the equilibrium position (Q) is 3 m and its velocity is 12 ms$$-$$1, when it is 5 m away from Q. The frequency of the simple harmonic motion is
A
$${{5\pi } \over 8}$$
B
$${5 \over {8\pi }}$$
C
$${{8\pi } \over 5}$$
D
$${8 \over {5\pi }}$$
2
WB JEE 2017
MCQ (Single Correct Answer)
+1
-0.25
Change Language
A uniform string of length L and mass M is fixed at both ends while it is subject to a tension T. It can vibrate at frequencies (v) given by the formula (where n = 1, 2, 3, ....)
A
$$v = {n \over 2}\sqrt {{T \over {ML}}} $$
B
$$v = {n \over {2L}}\sqrt {{T \over M}} $$
C
$$v = {1 \over {2n}}\sqrt {{T \over {ML}}} $$
D
$$v = {n \over 2}\sqrt {{{TL} \over M}} $$
WB JEE Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
CBSE
Class 12