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How can light be defined in simplest form?
The common explanation of 'light' (visible) is electromagnetic radiation visible to the human eye.
It is only a little part of what is called as the 'electromagnetic spectrum' - which is the range of wavelengths of all possible electromagnetic radiation.
define pseudo force and mathematical expression and explanation
Q. Transformation of kinetic energy to potential energy? A tiny ball at the end of string is swung in a circular vertical loop. The speed of rotation is reducing to the point t
why we take large radius of curvature of lens
Shockley, Brattain and Bardeen won a Nobel Prize for what small invention? Ans: Shockley, Bardeen and Brattain won a Nobel Prize for small invention of transistor.
A record player's needle is 6.5 cm from the center of a 45-rpm record. Calculate velocity of the needle?
Briefly explain how the wavelength of monochromatic light is calculated using Newton's rings arrangement?
sketch the setup abd show the angulare distace between successive dark bands is----------
Q. An electron beam is accelerated through a potential difference of 104 volt. Find the de Broglie wavelength. λ = 12.27 A o / √V λ = 12.27 A o / √10 4 = 0.1227
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.
It is the distance travelled by the disturbance in single time period. It only relays on the properties of the medium and it independent of time and position.
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