Complete the equation for the following fission process ![]()
|
(a) |
(b) |
(c) |
(d) |
Complete the equation for the following fission process ![]()
|
(a) |
(b) |
(c) |
(d) |
(a)
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Two capacitors of 10 μF and 20 μF are connected in series with a 30V battery. The charge on the capacitors will be, respectively
|
(a) 100 μC, 200 μC |
(b) 200 μC, 100 μC |
(c) 100 μC, 100 μC |
(d) 200 μC, 200 μC |
The half-life of
is 5 days. What time is taken by (7/8)th part of the sample to decay
|
(a) 3.4 days |
(b) 10 days |
(c) 15 days |
(d) 20 days |
When we touch the terminals of a high voltage capacitor, even after a high voltage has been cut off, then the capacitor has a tendency to
|
(a) Restore energy |
(b) Discharge energy |
(c) Affect dangerously |
(d) Both (b) and (c) |
A double convex lens of glass of m = 1.5 has radius of curvature of each of its surface is 0.2 m. The power of the lens is
|
(a) + 10 dioptres |
(b) – 10 dioptres |
(c) – 5 dioptres |
(d) +5 dioptres |
A solid metallic sphere has a charge +3Q. Concentric with this sphere is a conducting spherical shell having charge -Q. The radius of the sphere is a and that of the spherical shell is b(b > a). What is the electric field at a distance R(a < R < b) from the centre
|
(a) |
(b) |
(c) |
(d) |
A source voltage of 8V drives the diode in fig. through a current-limiting resistor of 100 ohm. Then the magnitude of the slope load line on the V-I characteristics of the diode is

|
(a) 0.01 |
(b) 100 |
(c) 0.08 |
(d) 12.5 |