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The time taken by sunlight to cross a 5 mm thick glass plate (μ = 3/2) is
|
(a) 0.25 |
(b) 0.167 |
(c) 2.5 |
(d) 1.0 |
A fisherman is standing on the bank of a lake. To a fish underwater viewing obliquely the man looks:
In the following circuit find I1 and I2
|
(a) 0, 0 |
(b) 5 mA, 5 mA |
(c) 5 mA, 0 |
(d) 0, 5 mA |
Four capacitors are connected as shown in the equivalent capacitance between the points P and Q is
|
(a) 4 μF |
(b) |
(c) |
(d) |
The minimum deviation produced by a hollow prism filled with a certain liquid is found to be 30°. The light ray is also found to be refracted at angle of 30°. The refractive index of the liquid is
|
(a) |
(b) |
(c) |
(d) |
The magnetic flux linked with coil, in weber is given by the equation, 
The induced emf in the coil in the fourth second is
|
(a) 10 V |
(b) 30 V |
(c) 45 V |
(d) 90 V |
The ground state energy of hydrogen atom is – 13.6 eV. What is the potential energy of the electron in this state
| (a) 0 eV | (b) – 27.2 eV | (c) 1 eV | (d) 2 eV |
