Physics, 13.10.2019 04:50 livvyr0cks
Which one of the following types of electromagnetic radiation causes certain substances to fluoresce?
a. cosmic rays
b. infrared waves
c. x rays
d. ultraviolet rays
Answers: 2
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If you mix chlorine lithium in nickel together which two elements would be the most reactive
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What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?
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This punnett square shows the cross between two pants. one parent has round seeds (rr). and the other parent has wrinkled seeds (rr) which best describes their offspring as shown in this cross?
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At 20∘c, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12×10−6 k−1 and23×10−6 k−1 respectively.
Answers: 1
Which one of the following types of electromagnetic radiation causes certain substances to fluoresce...
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