Welcome to you Physics - Section 3

Name

1. Magnetism at the centre of a bar magnet is

2. It is more difficult to walk on a sandy road than on a concrete road because

3. Find the maximum velocity for the overturn of a car moving on a circular track of radius 100 m. The co-efficient of friction between the road and tyre is 0.2

4. Of the following properties of a wave, the one that is independent of the other is its

5. Lux is the SI unit of

6. On a rainy day, small oil films on water show brilliant colours. This is due to

7. Point A is at a lower electrical potential than point B. An electron between them on the line joining them will

8. Materials for rain-proof coats and tents owe their water-proof properties to

9. RADAR is used for

10. Sound of frequency below 20 Hz is called