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Vi's physics quiz
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Questions in this quiz (4)
1Why did solid state devices replace thermionic device
- ASmall and portable
- BExpensive
2Components of a fission reactor
- AA source of neutrons
- Belectric field plate
- CHeat exchanger
- DControl rod
- ESlip ring commutator
3Strong nuclear force acts between proton and electrons
- ATrue
- BFalse
4Planck proposed that radiation emitted and absorbed by the walls of a [blank_start]black[blank_end] body cavity is quantised. This hypothesis came from the inadequacy of the [blank_start]classical[blank_end] model to describe the intensity of the [blank_start]wavelength[blank_end] of radiation emitted by the black body cavity. Planck hypothesised that the [blank_start]energy[blank_end] exchanged between the black body and the [blank_start]equilibrium[blank_end] radiation occur in small discrete amounts called [blank_start]quanta[blank_end], where each quanta is produced by an ‘atomic oscillation’ of an atom in black body wall. The energy of each [blank_start]quantum[blank_end] is equivalent to hf. This explained the experimental curve result and as a result, turned out to be a most significant step towards the development of a totally new branch of physics – quantum theory.
- Aclassical
- Benergy
- Cwavelength
- Dquantum
- Eequilibrium
- Fquanta
- Gblack
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- Description
- Quiz on Vi's physics quiz, created by Vi Vu on 11/09/2015.
- Author
- Vi Vu
- Language
- English
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