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Chlorine atom differs from chloride ion in the number of: (1) Proton (2) Neutron (3) Electrons (4) Protons and electrons Ans: Electrons
Two grating A and B have the same width of the ruled surface but A has greater number of lines. Giving reasons compare in two cases (a) Intensity (b) Width of principal maxim
What are the disadvantages of polymer fibers optics? The ends of polymer fibers can't operate along with high temperatures. Illuminators or light sources are required with a sc
Q. A rubber ball is dropped to the floor. What force act on the ball to bounce? Does the Earth "bounce" too? Ans. The force of the Earth pushing back on the ball causes
A cyclotron with dee radius 45.9 cm is operated at an oscillator frequency of 12.9 MHz to accelerate protons. (a) What magnitude B of magnetic field is required to achieve resonanc
Which graph represents the angular velocity as function of time in which the magnitude of angular velocity is contiguously decreasing? Ans) That is down parabola from origin gra
Prove that the various stationary orbit are not equally spaced?
Q. Define the unit of self inductance. One henry is described as the self-inductance of a coil in which a change in current of one ampere per second produces an opposing emf of
Properties of Lines of Flux To make the imaginary lines of flux describe the behaviour of the magnetic field we must give them appropriate properties. Thus lines of flux have
you are trying to measure the diameter of a circular lab table using a lab metre stick. you measure the diameter in several directions and find the following results: 98.5 cm, 1.00
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