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| List I | List II |
|---|---|
| (A) Barometer | (1) Used for measuring altitudes and angles in navigation and astronomy |
| (B) Chronometer | (2) Used for measurement of angular distances between two digits |
| (C) Sextant | (3) Keeps very accurate time as the one that is used to determine longitude at sea |
| (D) Quadrant | (4) Used for measuring atmospheric pressure |
| List I | List II |
|---|---|
| (A) Nankana | (1) Guru Gobind Singh |
| (B) Nanded | (2) Guru Amar Das |
| (C) Dera Baba Nanak | (3) Guru Ram Das |
| (D) Amritsar | (4) Guru Nanak |