Oscillations

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1. 1 2022 Phase 2 Graphs of damped, undamped oscillations and SHM
   Match List - I (x-y graphs) with List - II (Situations). Choose the correct answer.

   Pick the matching item from Column II for each row.

   Column I

   • A. - Match for A — I II III IV
   • B. - Match for B — I II III IV
   • C. - Match for C — I II III IV
   • D. - Match for D — I II III IV

   Column II

   • I. Total mechanical energy is conserved
   • II. Bob of a pendulum is oscillating under negligible air friction
   • III. Restoring force of a spring
   • IV. Bob of a pendulum is oscillating along with air friction
   Check Answer
2. 2 2022 Phase 2 Restoring force in SHM
   The restoring force of a spring with a block attached to the free end of the spring is represented by
   A - B - C - D -
   Check Answer
3. 3 2022 Phase 2 Periodic and non-periodic functions
   Identify the function which represents a non periodic motion.
   A $\sin(\omega t+\pi/4)$ B $e^{-\omega t}$ C $\sin\omega t$ D $\sin\omega t+\cos\omega t$
   Check Answer

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