Find the magnetic force when a charge 3.5C with flux density of 4 units is having a velocity of 2m/s.
a). 14.
b). 28.
c). 7.
d). 32.
Ans: b). 28.
Physics & Space Science
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Kepler's Second Law of planetary motion states that
A) an imaginary line joining the Sun and planet sweeps out equal areas in equal times B) the further a planet is from the Sun, the faster it moves in its orbit C) the further a planet is from the Sun, the slower it moves in its orbit D) the orbits of planets are ellipses
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O2 is an example of
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The quantum hypothesis was originated by?
a)Einstein b)Bohr c)Planck d)Rutherford
Physics & Space Science