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If a particle is projected vertically upward in a constant gravitational field with an initial speed v0. If there is a retarding force proportional to the square of the instantaneous speed, the speed of the particle when it returns to the intial position is v0vt/√(v02+vt2) where vt is the terminal speed.
Describe binding energy. How does binding energy per nucleon vary with mass number? What is it significance.
Q. A capacitor of capacitance 2 μF is in an ac circuit of 1000 Hz. Compute the reactance of it. Solution: Capacitive reactance XC = 1 / ω C = 1 / 2π ν C =
Magnitude of K.E. in an orbit is equal to: (1)Half of the potential energy (2)Twice of the potential energy (3)One fourth of the potential energy (4 ) None
Explain electric lawn-mower A television set having a power rating of 120W and electric lawn-mower of power rating 1 kW are both linked to a 240V supply. If 3A, 5A and 10A
Q. What is Coulomb? One Coulomb is describe as the quantity of charge which when placed at a distance of 1 metre in air or vacuum from an equal and similar charge experiences a
Radial is exactly centripetal force?
What do you mean by dispersion of light? What is deviation given by a thin prism of angle 80 and refractive index is 1.5? For what angle of incidence, Snell's law is not working
You are offered with two strips of metallic foil two strips of waxed paper and two metal paper clips. Every strip is in the shape of a rectangle 2 inches wide and 5 feet long. Whic
OBLIQUE COLLISION
what are characteristics of simple harmonic motion
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