The graph between wave number (
) and angular frequency (w) is
|
(a)
|
(b)
|
(c)
|
(d)
|
The graph between wave number (
) and angular frequency (w) is
|
(a)
|
(b)
|
(c)
|
(d)
|
(a)

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The equivalent quantity of mass in electricity is
|
(a) Charge |
(b) Potential |
(c) Inductance |
(d) Current |
The amount of substance liberated on electrodes during electrolysis when 1 coulomb of electricity is passed, is
|
(a) Chemical equivalent |
(b) Electrochemical equivalent |
|
(c) Equivalent weight |
(d) One mol |
In a PN-junction diode
|
(a) The current in the reverse biased condition is generally very small |
|
(b) The current in the reverse biased condition is small but the forward biased current is independent of the bias voltage |
|
(c) The reverse biased current is strongly dependent on the applied bias voltage |
|
(d) The forward biased current is very small in comparison to reverse biased current |
The graph between intensity of light falling on a metallic plate (I) with the current (i) generated is
|
(a)
|
(b)
|
(c)
|
(d)
|
A plano-convex lens is made of refractive index of 1.6. The radius of curvature of the curved surface is 60 cm. The focal length of the lens is
|
(a) 400 cm |
(b) 200 cm |
(c) 100 cm |
(d) 50 cm |
What is shape of magnet in moving coil galvanometer to make the radial magnetic field
|
(a) Concave |
(b) Horse shoe magnet |
(c) Convex |
(d) None of these |