: 22. The point (3, 4, 5) from Cartesian coordinate system becomes . in spherical
(a) (6.07, 45°, 53°)
(b) (6.5, 53°, 45°)
(c) (45°, 53°, 6.007)
(d) none of them : 23. Two metal plates, extended up to infinity, have charge of the same type. The electric field
within the gap of the plates is
(a) same as that produced by one plate
(b) double the field produced by one plate
(d) dependent on coordinates of the field points
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