Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 11-science Answered

what is EPOCH?
Asked by svmic.dbr | 17 Oct, 2014, 12:42: PM
answered-by-expert Expert Answer
Consider a particle executing simple harmonic motion along Y- axis. A simple harmonic oscillator oscillates about its mean position y = 0 to the maximum distance 'a' on both the sides which is known as the amplitude of simple harmonic oscillator. 
The displacement at any instant t is given by y = a sin (ωt+φ0). The argument of the sine function (ωt+φ0) is called as the phase of the simple harmonic oscillator at time t and φ0 is called the initial phase or epoch. ie.  at t= o , φ = φ0 and this φ0  is called as the epoch. ie. the displacement of an oscillating body at zero time.
Answered by Jyothi Nair | 19 Oct, 2014, 11:20: AM

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
CBSE 11-science - Physics
.A SHM is expressed by the equation x = A cos (ωt + φ) and the phase angle φ =0. Draw graphs to show variation of displacement, velocity and acceleration for one complete curve in SHM.
Asked by sy123946 | 07 Apr, 2024, 04:23: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Physics
the time period of simple pendulum is 2 second it can go from equilium position at the maximum distance of 5 cm if at the start of the motion the pendulum in the position of maximum displacement towards the right of equilium position then write the different equation.
Asked by goludada1479 | 06 Feb, 2024, 07:35: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Physics
derive expression for displacement in shm
Asked by sakshiiiyadav9336 | 02 Feb, 2024, 09:37: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Physics
In Shm where velocity is maximum or zero    
Asked by snehasahu824 | 03 Mar, 2020, 10:06: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Physics
A small body of mass 0.10kg is undergoing simple harmonic motion of simplitude 1.0 meter and period of 0.20 sec the maximum value of the force acting on it
Asked by devvratagrahari | 02 Dec, 2019, 06:44: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Physics
  A uniform circular disc of mass 12 kg is held by 2 identical springs when disc is pressed down slightly and released it executes shm with time period of2 s the force constant of each spring is [2 spring in parallel]n/
Asked by SELVA | 06 Jul, 2019, 03:25: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Physics
A particle which is attached to a spring oscillates horizontally with simple harmonic motion with a frequency of 1/Pi Hz and the total energy 10J.If the maximum speed of the particle is 0.4ms^-1,what is the force constant of the spring,what will be the max potential energy of the spring during motion?
Asked by Vidushi412 | 14 Jan, 2019, 09:43: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Physics
The frequency 'n' of vibration of stretched string depends on its length 'L' its mass per unit length 'm' and the tension 'T' in the string obtain dimensionally an expression for frequency 'n'.
Asked by jullypradhan001 | 05 Aug, 2018, 11:48: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Physics
If Syntax error from line 1 column 49 to line 1 column 73. Unexpected 'mathsize'. + ky = 0, what is the time period of motion?
Asked by Topperlearning User | 15 May, 2015, 10:54: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Physics
Write the values of amplitude and angular frequency for the following simple harmonic motion : y = 0.2 sin ( 99t + 0.36) The various quantities are in the SI units.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Get Latest Study Material for Academic year 24-25 Click here
×