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Hertz; Hz (after H. Hertz, 1857-1894)
The derived SI unit of frequency, explained as a frequency of 1 cycle per s; therefore it has units of s-1.
What are the consequences of dispersion? The main familiar result of dispersion is the splitting up of the composite white light within its constituent colours as into a rainbo
Define coherence and explain temporal and spatial coherence. Show that visibility is a maxim of coherence. Define the 'Q' factor for a spectral line. Explain coherence length and c
What is the means in which light waves travel? Ans: Light is the only type of wave that doesn't require a medium. Confirmation that light will travel through vacuum is the
Write down the differential equation for a simple harmonic oscillator subjected to a damping force proportional to the velocity (v) of the oscillator and the periodic force of angu
is average speed the magnitude of average velocity?justify your answer with a suitable example?
the maximum height attained by a projectile and its horizontal range are equal to each other if the projectile projected at an angle [theta] given by ?
Explain about Electric Field Electric Field: Field formed by a single or group of charges that permeates all space. Fields are responsible for making forces at a distance
the velocity of a particle moving along x axis is defined by v=kx^3-4x^2+6x where v is in m/s,x in m and k is a constant .if k=2 compute the acceleration when x=2m
A glass sphere of radius 15 cm has a small air bubble at a distance of 6 cm from its centre. When viewed normally along its diameter from the nearest side, the bubble seems to be 7
Lens: A transport refractive body bonded by one or two spherical surface known as lens. There are various kinds of lenses. e.g. Double convex Lens Double concave lens
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