Physics Quiz 2

Physics Quiz 2

1. Sound of frequency below 20 Hz is called

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

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

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

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

6. RADAR is used for

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

8. Flux is the unit of

9. 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

10. Magnetism at the centre of a bar magnet is

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