What is measured by an interferometer ?
Wavelength of light
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Our Solar System. Download from App Store
Vocabulary Game 2
Before a noun with a determiner (for example: the, my, these), both and both of are both possible.
- Both (of) my parents like riding. She s eaten both (of) the chops.
- She's eaten both chops. (= ... both of the chops.)
- Both of them can come tomorrow.
Mary sends her love to both of us.
- I ve invited them both. Mary sends us both her love.
I've made you both something to eat.
- both children(NOT the both children).
Vocabulary Game 1
Verbal Reasoning Quiz - Mind Game
Scramble Word Game