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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?
Polystyrene film is extruded flat and free from pin-holes. Film is made from polystyrene granules by extruding heated tube of polymer which is then spread out and stretched state.
2-Cryogenics Cryogenic is the science of producing and using very low temperature. The study of low temperature effects in biology and medicine is called cryobiology. Low tem
Two Stage Rocket Suppose the motion of the two-stage rocket or the corresponding velocity-time graph below. The rocket has two successive fuel stages followed through a free-fa
Define the construction of ultrasonic magnetostriction method. Construction: The ends of the ferromagnetic rod A and B are wound through the coils L 1 and L as given in fi
Laboratory tweezers Very serviceable tweezers can be made from lengths of flexible strap iron used to place around boxes and creates for shipment. The tweezers shown are abo
two travelling sinusoidal waves are described by the wave function, y=55
What is the type of bonding in silicon? (A) Ionic. (B) Covalent. (C) Metallic. (D) Ionic + Metallic Ans: Bonding in silicon is covalent type.
The line density of charge in a wire is 0.20 Cm-1. If this wire is symmetrically enclosed along its length by a cylindrical surface of radius 1.0 m and length 1.5 m, calculate
Why we are showing work done over a closed path is zero to prove that electrostatic forces are conservative
what is specfic gravity
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