Questions by Igor Kroitor

Questions by Igor Kroitor

water has an index of refraction of 1.33. What is the critical angle for light leaving a pool of water into air? 0 37 90 49

asked Oct 18, 2019

1 answer

1 vote

172k views

As the wavelength increases, the frequency (2 points) Select one: a. decreases and energy decreases. b. increases and energy increases. c. decreases and energy increases. d. increases and energy decreases.

asked Oct 11, 2019

1 answer

5 votes

102k views

Which kind is perpendicular to a line that has a slope of 1/2

asked Oct 3, 2019

1 answer

5 votes

144k views

the greatest temperature change ever recorded in a single day occurred in Browning Montana in 1916 the temperature dropped from 44 degrees Fahrenheit to -56 degrees Fahrenheit what was the change in temperature?

asked Jul 21, 2018

1 answer

5 votes

60.1k views

For all integers n, if n2 is odd, then n is odd. Use a proof by contraposition, as in Lemma 1.1. Let n be an integer. Suppose that n is even, i.e., n =

asked Jan 22, 2018

1 answer

4 votes

178k views

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