The relation between Faraday constant (F), chemical equivalent (E) and electrochemical equivalent (Z) is
|
(a) F = EZ |
(b) |
(c) |
(d) |
The relation between Faraday constant (F), chemical equivalent (E) and electrochemical equivalent (Z) is
|
(a) F = EZ |
(b) |
(c) |
(d) |
(c)
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The electrical circuit used to get smooth dc output from a rectifier circuit is called
| (a) Oscillator | (b) Filter | (c) Amplifier | (d) Logic gates |
Which of the following element was discovered by study of Fraunhofer lines
|
(a) Hydrogen |
(b) Oxygen |
(c) Helium |
(d) Ozone |
Work of moderator is
|
(a) To control the velocity of neutrons |
(b) Cooling |
|
(c) As fuel |
(d) It is used for safety |
A fish is a little away below the surface of a lake. If the critical angle is 49°, then the fish could see things above the water surface within an angular range of θ° where
|
(a) θ = 49° |
(b) θ = 90° |
(c) θ = 98° |
(d) θ = 24 |