A Young's double slit experiment uses a monochromatic source. The shape of the interference fringes formed on a screen is
|
(a) Straight line |
(b) Parabola |
(c) Hyperbola |
(d) Circle |
(c) Hyperbola
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Two ends of a conductor are at different temperatures the electromotive force generated between two ends is
|
(a) Seebeck electro motive force (e.m.f.) |
(b) Peltier electro motive force (e.m.f.) |
|
(c) Thomson electro motive force (e.m.f.) |
(d) None of these |
$\frac{\text{mv}^2}{\text{r}}$ must be acting on the central particle.
$\frac{2\text{mv}^2}{\text{r}}$ must be acting on the central particle.
$\frac{2\text{mv}^2}{\text{r}}$ must be acting on the system.
$\frac{2\text{mv}^2}{\text{r}}$ must be acting on the ring.
The relation between n1 and n2, if behaviour of light rays is as shown in figure is
|
(a) |
(b) |
(c) |
(d) |
In P-N junction, avalanche current flows in circuit when biasing is
| (a) Forward | (b) Reverse | (c) Zero | (d) Excess |
A capacitor is fully charged with a battery. Then the battery is removed and coil is connected with the capacitor in parallel, current varies as
|
(a) Increases monotonically |
(b) Decreases monotonically |
|
(c) Zero |
(d) Oscillates indefinitely |
