- ASpherical symmetry.
- BCylindrical symmetry.
- CCubical symmetry.
- DUnsymmetrical.
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A curve between magnetic moment and temperature of magnet is
|
(a) |
(b) |
(c) |
(d) |
The resistance of a germanium junction diode whose V - I is shown in figure is

| (a) 5 kW | (b) 0.2 kW | (c) 2.3 kW |
(d) |
A point charge q is placed at a distance a/2 directly above the centre of a square of side a. The electric flux through the square is
|
(a) |
(b) |
(c) |
(d) |
By a monochromatic wave, we mean
|
(a) A single ray |
(b) A single ray of a single colour |
|
(c) Wave having a single wavelength |
(d) Many rays of a single colour |
A positively charged particle moving due east enters a region of uniform magnetic field directed vertically upwards. The particle will
|
(a) Get deflected vertically upwards |
|
(b) Move in a circular orbit with its speed increased |
|
(c) Move in a circular orbit with its speed unchanged |
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(d) Continue to move due east |