- Section 1
21. |
It is more difficult to walk on a sandy road than on a concrete road because |
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22. |
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 |
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23. |
Of the following properties of a wave, the one that is independent of the other is its |
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24. |
On a rainy day, small oil films on water show brilliant colours. This is due to |
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25. |
Lux is the SI unit of |
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