| Q.5 | Identify the correct option which correctly fill up the blanks in the below three statements related to compass. (I) A compass needle consists of a ______ needle which floats on a pivotal point. (II) Knowing the magnetic ______ at a place allows us to correct the compass to determine the direction of true north. (III)In some places on the earth there are deposits of ______ which cause the compass needle to deviate from the magnetic meridian. | |
| Ans | 1. I- Magnetic, II-declination, III- electrochemical minerals | |
| 2. I-Magnetic, II-declination, III- Magnetic minerals | ||
| 3. I-Electric, II-direction, III-electric minerals | ||
| 4. I- Magnetic, II-direction, III- Magnetic minerals |
Correct Ans: 2
