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Speed Of Light

Speed Of Light

Product Details:

  • Dimension(L*W*H) Length×Dia. 1m×10mm
  • Material Stand Rod: Mild Steel
  • Application Lab Equipment
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Product Specifications

  • Length×Dia. 1m×10mm
  • Stand Rod: Mild Steel
  • Lab Equipment

Product Description


The LASER beam from the transmitter strikesthe beam splitter to split the beam in two perpendicular directions. The firstbeam is transmitted through transmitter directly and is received in firstchannel of the receiver. The second perpendicular beam from beam splittertravels a larger distance by being reflected back from a mirror placed about 5meter or more and is received in second channel of the receiver.  In the present setup, the time differencebetween the two peaks of received LASER signals can be observed on aoscilloscope (>40MHz) and can be used to calculate the speed of light.


  • To determine the speed of light in air.


  • 1MHz internal modulation frequency.
  • Dual channel photo detector.


  • Speed of light.
  • Internal modulation.
  • Laser beam.
  • Peak difference.
  • Path difference.


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