MCQ
To which height is ozonosphere present over the equator:
- A$11–16\ km$
- ✓$23–25\ km$
- C$16–20\ km$
- D$10–12\ km$
Ozone layer or ozonosphere occurs in the stratosphere. It is generally lowest at the equator and highest in polar regions. It is present to a height of $23-25\ kms$ over the equator.
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A motorcycle is being driven at a speed of 20m/s when brakes are applied to bring it to rest five seconds. The deceleration produced in this case will be: