MCQ
Cattles should be sheltered under well-ventilated roofed sheds that protect them from_____:
- ARain
- BHeat
- CCold
- DAll of the above
Explanation:
Proper shelter facilities should be there for the cattle, the shelter should be well-ventilated roofed sheds to protect them from heat, cold, and rain.
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Consider the following information in respect of four objects A, B, C and D:
| Object | Density (kg/m3) | Volume (m3) | Mass (kg) |
| A | - | 2 | 4000 |
| B | 8000 | 4 | - |
| C | 2000 | - | 1000 |
| D | - | 4 | 2000 |
Which object would float on water?
Two particles are placed at some distance from each other. If, keeping the distance between them unchanged, the mass of each of the two particles is doubled, the value of gravitational force between them will become:
$\frac{1}{4}\text{times}$
$\frac{1}{2}\text{times}$
$4\text{ times}$
$2\text{ times}$