A. Lost some electrons B. Gained some electrons C. Gained some protons D. Lost some protons
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A. Increase B. Decrease C. Infinite D. Zero
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A. Conductors B. Insulators C. Both A and B D. None of these
A. 10 Hz B. 25 Hz C. 50 Hz D. 100 Hz
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A. Visible light rays B. Ultraviolet rays C. Infrared rays D. Sound waves
A. Refractive index B. Wavelength C. Angle of prism D. None of these
A. Converging B. Diverging C. Parallel D. None
A. Energy B. Angular momentum C. Charge D. None of these
A. Centrifugal B. Gravitational C. Centripetal D. Electro-magnetic force