- AMagnetic moment.
- BZEEMAN effect.
- CLight.
- DNuclear fission.
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For ferromagnetic material, the relative permeability (
, versus magnetic intensity (H) has the following shape
|
(a)
|
(b)
|
(c)
|
(d)
|
Which of the following materials is non crystalline
|
(a) Copper |
(b) Sodium chloride |
(c) Wood |
(d) Diamond |
Five equal resistances each of value R are connected in a form shown alongside. The equivalent resistance of the network
|
(a) Between the points B and D is R |
(b) Between the points B and D is |
|
(c) Between the points A and C is R |
(d) b, c |
Three identical resistances A, B and C are connected as shown in the given figure. The heat produced will be maximum

|
(a) In B |
(b) In B and C |
(c) In A |
(d) Same for A, B and C |
White light is incident on the interface of glass and air as shown in the figure. If green light is just totally internally reflected then the emerging ray in air contains
|
(a) Yellow, orange, red |
(b) Violet, indigo, blue |
|
(c) All colours |
(d) All colours except green |