light, Physics

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Thin films, 2. Surface Crystallography and Epitaxy Fe thin films are grown...

2. Surface Crystallography and Epitaxy Fe thin films are grown on a single-crystal Al (100) substrate surface. The films grow with no dislocations (if they are thin enough) which

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The number of electrons in one molecule of are: (1)22      (2)44      (3)66     (4)88 Ans: 22

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A Newton is equal to which of the following? a)  kilogram-meter per second b)  meter per second squared c)  Kilogram-meter per second squared d)  Kilogram per

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Transition temperature It is temperature (based on the substance involved) below which a superconducting substance conducts electricity with zero resistance; as a result, the t

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In an adiabatic process, the body neither absorbs heat nor does it refuse energy, i.e. in this phenomena there is no heat exchange (Δ Q  = 0). Thus from first law of thermodynam

Determine the speed of electromagnetic wave, A medium is characterised by r...

A medium is characterised by relative permittivity ε r =45 and relative permeability μ r =5. Determine the speed of e-m wave in the refractive and medium index of the medium.

define electric cell, The device which changes chemical energy into electr...

The device which changes chemical energy into electrical energy is called as electric cell. Battery is a host of constant emf but not constant current.

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APPLICATION TO BALLISTIC MISSILES:  "An unpowered and unguided missile is known as ballistic missile". The path followed by ballistic missile is known as "ballistic trajectory"

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Working of Compound Microscope: The object under examination is placed in front of the objective. The objective forms it's real and inverted image with in the focal length of t

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The number of independent directions in which a system (or gas molecule) can have motion, are called as the number of degrees of freedom of that molecule or object. The number of d

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