In the figure shown, the effective capacitance between the points A and B, if each has capacitance C, is

|
(a) 2C |
(b) |
(c) 5C |
(d) |
In the figure shown, the effective capacitance between the points A and B, if each has capacitance C, is

|
(a) 2C |
(b) |
(c) 5C |
(d) |
(a) 2C
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A nucleus is bombarded with a high speed neutron so that resulting nucleus is a radioactive one. This phenomenon is called
| (a) Artificial radioactivity | (b) Fusion | (c) Fission | (d) Radioactivity |
Glass has refractive index m with respect to air and the critical angle for a ray of light going from glass to air is q. If a ray of light is incident from air on the glass with angle of incidence q, the corresponding angle of refraction is
|
(a) |
(b) 90° |
(c) |
(d) |
In Thomson's method of determining e/m of electrons
|
(a) Electric and magnetic fields are parallel to electrons beam |
(b) Electric and magnetic fields are perpendicular to each other and perpendicular to electrons beam |
|
(c) Magnetic field is parallel to the electrons beam |
(d) Electric field is parallel to the electrons beam |
In the Young's double slit experiment, if the phase difference between the two waves interfering at a point is ∅, the intensity at that point can be expressed by the expression (Where A and B depend upon the amplitudes of the two waves)
|
(a) I = |
(b) I = |
(c) I = A + Bcos |
(d) I = A + B Cos∅ |