One Tesla is equal to
|
(a) |
(b) |
(c) |
(d) |
One Tesla is equal to
|
(a) |
(b) |
(c) |
(d) |
(c)
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In the Bohr's hydrogen atom model, the radius of the stationary orbit is directly proportional to (n = principle quantum number)
|
(a) |
(b) n |
(c) |
(d) |
$8\ \pi\text{r}^2\text{S}$
$12\ \pi\text{r}^2\text{S}$
$16\ \pi\text{r}^2\text{S}$
$24\ \pi\text{r}^2\text{S}\cdot$
The north pole of a magnet is brought near a metallic ring. The direction of the induced current in the ring will be
|
(a) Clockwise |
(b) Anticlockwise |
(c) Towards north |
(d) Towards south |
prism can produce a minimum deviation $\delta$ in a light beam. If three such prisms are combined, the minimum deviation that can be produced in this beam is:
Two lenses of power +12 and – 2 diopters are placed in contact. What will the focal length of combination
|
(a) 10 cm |
(b) 12.5 cm |
(c) 16.6 cm |
(d) 8.33 cm |