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If a hydrogen atom in its ground state absorbs a photon with a wavelength of 93 nm, it jumps to an excited state. What is the value of the energy in that excited state?
Draw the graph showing the variation of binding energy per nucleon with mass number. Give the reason for the decline of binding energy per nucleon for nuclei with high mass numbers
Demonstrating the effects of the angle of the sun's rays on the quantity of heat and light received by the earth Bend a piece of cardboard and make a square tube 4 cm2 in cros
#questionyour dog is running around the grass in your back yard. He undergoes successive displacements 3.50 m south, 8.20 m northeast, and 15.0 m west. What is the resultant displa
An alternating voltage is triangular in shape, rising at a constant rate to a maximumof 300V in 8ms and then falling to zero at a constant rate in 4ms. The negative half cycle
A boy throws a ball vertically upward with a velocity of 6 meters per second. How long does it take the ball to return to the boy's hand? Ans: A boy throws a ball vertically
A point is operating simple harmonic motion with a time period 2πs. At its mean position its speed is 0.05 m/s. Calculate its speed when it is at a distance of 0.04 m from the mean
A person is tasked with creating a ray diagram to conclude the characteristics of the image of an object formed by a concave lens. The person has accurately drawn the principal axi
why the reflective index of cladding is lower then in core of a fiber optic?
Electrostatic field is caused by stationary charge, Induced field is caused by time-varying magnetic field
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