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SL ARORA-Units and Measurements-Exercise
- Name two commonly used units for wavelength of light.
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- Express 1 micro in metre.
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- Name the unit used to measure size of a nucleus and express it in metr...
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- Express nanometre in terms of metre and angstrom units.
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- Express the wavelength of yellow light (5893 A) in terms of nm.
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- How many nanometres are there in one metre ?
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- How many Angstrom are there in one metre ?
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- One fermi is
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- How many light years are there in 1 metre?
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- Write the full name of the technique used in locating an under-water ...
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- How far away is the nearest star alpha centuri from earth ?
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- What is the size of out galaxy ?
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- Mean free path of a gas molecule is
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- What is the shortest distance measured indirectly so far ?
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- What is the estimated size of observable universe ?
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- Which unit is used for measuring nuclear area of cross-section ?
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- What does the word RADAR stand for ? Also define it.
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- What does the acronym SONAR stand for ?
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- What does the word LASER stand for ?
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- What is a laser ?
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