Suppose two flat glass plates 30-cm long are in contact along one end and separated by a human hair at the other end. If the diameter of the hair is 50 ?m, find the separation of the interference fringes when the plates are illuminated by green light, ? = 546 nm.
What will be an ideal response?
1.64 mm
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a. True b. False Indicate whether the statement is true or false
Molecular Rotation: For a diatomic quantum mechanical rotator, the energy difference between adjacent energy levels
A. increases as L increases. B. decreases as L increases. C. is constant for all L. D. varies randomly as L increases.
Sea breezes that occur near the shore are attributed to a difference between land and water with respect to what property?
a. mass density b. coefficient of volume expansion c. specific heat d. emissivity
How much energy is dissipated as heat during a two-minute time interval by a 1.5-kW resistor which has a constant 20-V potential difference across its leads?
a. 58 J b. 46 J c. 32 J d. 72 J e. 16 J