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When a metal is illuminated with radiation with a wavelength of 152 nm, photoelectrons are ejected with a velocity of 7.9 x 105 m/s.
What is the work function, in eV, of the metal?
Explain pure spectrum of white light
Silicon has 1.45 x 10 10 free electrons/cm 3 at room temperature. If you wanted to have 3x10 6 as many electrons from arsenic doping as thermal free electrons from silicon at ro
find the kinetic energy of a proton whose debroglie is 1fm
how do we see light?
How is glass fibre material in optical fibres used? Glass fibre material in optical fibres: Silica is the generally used materials for the manufacture of a glass fibre. The
What is the Static Electricity Have you ever had your hair stand on end after rubbing a balloon on your hair before a birthday party? You have probably experienced static e
Snell's Law: The ratio of sine of angle of incidence to the sine of angle of refraction is constant for all rays passing from one medium to another medium. That is Sini/Sinr
Explain about the number of modes in the optical fibres. Mode in the optical fibres: A mode is a path occupied by a ray of light through an optical fibre. This is a mathemat
Laue pattern (M. von Laue): The pattern generated on a photographic film while high-frequency electromagnetic waves (such as x-rays) are fired at a crystalline solid.
A block of mass 2 kg is pulled up on a smooth incline making angle 30 degrees with horizontal . if block moves with an acceleration of 1 m/s2 , find a) Power delivered by the pull
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