What is working principle of laser and explain the main components for laser action?

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"Meet Mr. Akhand Dutta, the visionary Founder and Owner of CEWA (Civil Engineering With Akhand Dutta). Currently, The Placement Coordinator for Structural Engineering at the prestigious National Institute of Technology, Kurukshetra. With a lif…

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What is working principle of laser and explain the main components for laser action?

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A point P is 50 mm away from both the reference planes. Draw its all possible projections.

Q.Explain the formation of Newton's rings with a ray diagram and derive the expression for determination of wavelength of light using Newton's ring experiment.

Find the probability with which an energy level 0.02 eV below the Fermi level will be occupied at room temperature of 300 K and at 1000 K.

Elongation of a Conical Bar due to it's Self-Weight | QnA | Strength of Material | Solid Mechanics | By Akhand Dutta

Determine the transition temperature and critical field at 4.2 K for a given specimen of a superconductor if the critical fields are 1.41 × 105 and 4.205 × 105 A/m at 14.1 K and 12.9 K, respectively.