One difference between the light waves coming from a light bulb and water waves on a pond is that
A) light waves all have the same wavelength, while different water waves can have different wavelengths.
B) different light waves have different speeds, while all water waves must have the same speed.
C) light waves can show interference effects, while water waves cannot.
D) light waves occur in three dimensions while water waves occur in two dimensions.
E) All of the above.
D
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"GFI" stands for:
a. grand flux indicator. b. ground forcing indicator. c. ground fault interrupter. d. gauss-free invention.
A Nichrome wire has a radius of 1.3 mm and a resistivity of 1.5 × 10^?6 ??m. If the wire carries a current of 1.8 A, what is the potential difference per unit length along this wire?
a. 0.19 V/m b. 0.51 V/m c. 0.66 V/m d. 6.4 V/m e. 5 V/m
A gold ring has an inner diameter of 2.168 cm at a temperature of 15.0°C. Determine its diameter at 100.0°C. (?GOLD = 1.42 × 10^?5/°C)
It would be cheapest if power plants came prefabricated as much as is possible
What will be an ideal response?