MCQ
According to Bohr's theory, an electron can move only in those orbits for which its angular momentum is integral multiple of ____________.
- A2h/π
- Bh/2πm
- ✓h/2π
- Dh/4π
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Statement I: Polar animals have a thick layer of fat below skin.
Statement II: The blubber below polar animals' skin allows heat from outside to enter into the body.