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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?
A radioactive substance has a half life of 1 min. If one nuclei decays now , when will be next decay????
Can you explain Ohms Law? Ans. If Temperature remains constant then current flow is directly proportional to applied Voltage. I ∝ V, I = V/R (resistance of the conductor)
Chronology protection conjecture (S.W. Hawking) The concept that the formation of any closed timelike curve will be destroyed automatically trhough quantum fluctuations as soon
Explain Slip-ring Slip-ring (or phase- wound) rotor having of a slotted laminated core of sheet steel. A three- phase winding is placed in the rotor slots. The rotor windin
explain specific latent heat of fusion with formula
Q. Regard as two small metal balls one having a charge of +1 micro-coulombs and the other having a charge of +3 micro-coulombs. The balls are get into momentary contact with e
1 Coulumb Charges: 1 coulumb charge is that amount of charge which when placed 1 m from an identical charge in vacuum which repels it with a force of 8.99 × 109 N.
A blackhole is a region of spacetime from which gravity prevents anything, including light, from escaping. The theory of general relativity predicts that a sufficiently compact mas
De?ne reduction potential and oxidation potential. Reduction potential of a metal is the measure of tendency of a metallic electrode to gain electrons when it is in contact wit
The forced harmonic oscillations have same displacement amplitude at frequencies ω 1 = 400 Hz and ω 2 = 800 Hz. Evaluate the resonance frequency at which the displacement is maxi
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