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A light object moves faster
Mark off a half-metre on a table top with chalk. Separate this equally into centimetres. Secure a long rubber band and two spring clothes pegs. Attach a clothes peg to every end of the rubber band. Now grasp the clothes pegs whereas they rest on the table top. Place them along the marked-off place on the table top. Stretch the rubber band to a distance of about 15 cm and release every clothes peg at the similar instant. Observe that they meet half way.
Determine the inductance of a solenoid of 2000 turns round uniformly over a length of 50 cm on a cylindrical paper tube 4 cm in diameter. The medium is air.
How michelson interferometer is used to determine the wavelength difference between the D1 and D2 lines of sodiun
Photon flux
ideal gas constant; universal molar gas constant; R The constant which acts in the ideal gas equation. It is 8.314 34 J/K/mol. ideal gas equation An equation that sums
If the refractive index of a medium is 1.5, determine the critical angle. Write the difference between telescope and microscope.
What is spontaneous emission? Explain in brief. Spontaneous emission: a. This is the process by that a light source as like an atom, molecule, nano-crystal or nucleus into a
Reverse Bias: When P-types material of a semi conductor diode is linked a negative potential and the n-type material is linked at positive potential of a voltage source, the di
If the speed of light were smaller than it is, would relativistic phenomena be more or less conspicuous than they are now? All else being similar, involving the rates of the ch
Why population inversion is essential to achieve in lasing action? a) Define zener breakdown. b) What is called nanomaterials?
How is plastic clad silica fibre used in optical fibres? Plastic clad silica fibre: Plastic clad silica fibre (PCS) is other type of optical cable. This has an attenuation l
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