The SI Unit of Power of Lens is ____________

By BYJU'S Exam Prep

Updated on: September 25th, 2023

  1. kWh
  2. Joule
  3. Dioptre
  4. Watt

The SI unit of power of the lens is Dioptre. The reciprocal of the focal length, expressed in metres, is a dioptre.

SI Unit of Power of Lens

The Param Vir Chakra took the role of the Victoria Cross when India became a republic. The Param Vir Chakra is India’s highest military honour (PVC). The PVC medal was created by Savitri Khanolkar. Unexpectedly, Major Somnath Sharma was the first PVC recipient.

India’s highest military medal, the Param Vir Chakra (PVC), is given to individuals who exhibit exceptional deeds of valour during the fighting. The honour is known as the Param Vir Chakra, which means “Wheel of the Ultimate Brave,” and it is given for “most outstanding bravery in the presence of the adversary.” By January 2018, there had been 21 awards of the medal, 14 of which were posthumous and 16 of which were due to participation in Indo-Pakistani hostilities. The Indian Army has produced 20 of the 21 award winners, and the Indian Air Force has produced one.

There are 3 Wartime gallantry awards:

  • Param Vir Chakra
  • Maha Vir Chakra
  • Vir Chakra
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