Physics Test Worksheets With Answer, 2013
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11Physics 2013
3. Internal resistance of cell does not depend upon the
(a) current taken by cell
(b) distance between the electrode
(c) concentration of electrolyte
(d) emf of cell
Ans.(d)
4. Charge is quantized. This prove from
(a) experiment of Devisson- Jarmer
(b) effect of Compton-scattering
(c) Millikans oil drop experiment
(d) Raman-scattering
Ans.(c)
6. In an induction coil with resistance, the induced emf will be maximum when
(a) the switch is put on due to high resistance
(b) the switch is put off due to high resistance
(c) the switch is put on due to low resistance
(d) the switch is put off due to low resistance
Ans.(b)
7. In stationary waves, the nodes have
(a) maximum energy
(b) maximum change in pressure and density
(c) maximum change in distortion
(d) All of the above
Ans.(b)
8. The ratio of diameter of 4th semi-frequency zone to 9th semi-frequency zone will be
(a)2/3
(b)4/9
(c)1/4
(d) 16/81
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