Product Description


To study simple harmonic under damped oscillations and to calculate

1. Time period Tof oscillation

2. Angular frequency w

3. Relaxation time t

4. The quality factor Q of the oscillations

Two rigid pendulums identical in all respects including the placement of masses, coupling device ( spring flexible) , stop watch, one triangular shape base with levelling screws, one metal rods 40 cm height x 12.5 mm thick m.s. chromed, at top of which an square solid rod 30 cm (aluminium) is fixed. two rods aluminium chromed 9 mm rods are hanged at end of the square solid rod which moves frictionless on ball bearings, and two solid m.s. sliding weights of sizes 50 mm length x 25 mm dia (equal weights) are hanged which can be fixed at any height.


  • Iron Cromed 1 Meter long Rod With Knife Edges
  • Iron Cylindrical Weight 2 inch & 1 inch Long with diameter 50 mm Round
  • Supplied with Wall Clamp or Stand 

Technical Specification:

  • Metal rod vertical :m.s. chromed 12.5 mm dia x 40 cm
  • Aluminium Horizontal rod :square 20 mm x 20 mm x 30 cm long
  • Aluminium rod vertical :9 mm dia x 30 cm long
  • Sliding equal weight :m.s. chromed 20 mm dia x 50 mm
  • Tripod base : 4 kg die cast with levelling screws
  • Stop Watch: Digital 

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