Three magnets along with three compasses
are arranged as shown in the given figure.
Identify the poles at X, Y and Z.
| X | Y | Z | |
|---|---|---|---|
| A | South | South | North |
| B | North | North | North |
| C | South | South | South |
| D | North | North | South |
Three magnets along with three compasses
are arranged as shown in the given figure.
Identify the poles at X, Y and Z.
| X | Y | Z | |
|---|---|---|---|
| A | South | South | North |
| B | North | North | North |
| C | South | South | South |
| D | North | North | South |
The given figure shows primary and secondary rainbows.
Which one of the following options correctly lists the colours of marked rays?
| 1 | 2 | 3 | 4 | |
|---|---|---|---|---|
| A | Violet | Red | Red | Violet |
| B | Violet | Red | Violet | Red |
| C | Red | Violet | Violet | Red |
| D | Red | Violet | Red | Violet |