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Q. State Fleming's left hand rule.
Fleming's Left Hand Rule.
The forefinger the middle finger as well as the thumb of the left hand are stretched in mutually perpendicular directions. If the forefinger points in the path of the magnetic field the middle finger points in the direction of the current then the thumb points in the direction of the force on the conductor.
Total height of the gymnast just before falling back down is=(2+.3)=2.3m Energy gained at that point = m*g*h(m=mass, g=gravitational force, h=height) =55*9.8*2.3=1239.7 J
Explain the applications of polarization of light? Write any four applications of interference of light. Illustrate how plane polarized light obtained by reflection.
Cadmium rods are provided in a nuclear reactor. Why? Cadmium rods are given in nuclear reactors due to when we begin nuclear reactor then more energy is required for start the
Deriving the Relativity of Simultaneity Animation in which shows how the relative nature of the simultaneity of two events must follow from the existence of length contraction.
Q. Compute the mutual inductance between two coils when a current of 4 a changing to 8 a in 0.5 s in one coil induces an emf of 50 mV in the other coil. Induce emf e = -
An echo is easily the retransmission of speaker's own voice caused by reflection at a distance surface. If there is a sound reflector at a distance d from host, then the time in
how to find ratio of magnetic dipole moment of bar magnet
How to add Vectors analytically
Example like or unlike parallel forces
When a moving body changes with time,then we say that the body has acceleration.simentaniously the change in velocity is equal then it is called uniform acceleration .
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