A. It’s works equals the change in the kinetic energy of the particle.
B. It’s obeys Newton’s second law
C. It’s obeys Newton’s third law
D. It work depends on the end points of every motion, not on the path between.
A. Protons
B. Electrons
C. Metal atoms
D. Metal ions
A. Lyman series is a continuous spectrum.
B. Paschen series is a line spectrum in the infra red.
C. Balmer series is a line spectrum in the ultraviolet.
D. the spectral series formula can be derived from the Rutherford model of the hydrogen atom.
A. Eddy currents
B. Hysteresis
C. Resistance in winding
D. None of these
A. repel each other
B. not interact with each other
C. attract each other
D. be deflected normal to the plane containing the two beams.
A. The resistance of each of them increases.
B. The resistance of each of them decreases.
C. The resistance of copper decreases and that of germanium increases.
D. The resistance of copper increases and that of germanium decreases
A. one electron
B. 10 –6 electrons
C. 106 electrons
D. 6.25 × 1012 electrons
A. Decreases
B. increases
C. remains the same
D. becomes zero
A. 100 C m–2
B. 200 C m–2
C. 300 C m–2
D. 400 C m–2
