A glass plate having an index of refraction is 1.66 is immersed in a certain alcohol. The surface of the glass is inclined at an angle of 44° with the vertical
When a horizontal ray in the glass strikes the interface, you observe that it is at the critical angle. What is the index of refraction of the alcohol? A) 1.15
B) 1.13
C) 1.11
D) 1.09
E) 1.17
A
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If the density of the universe is equal to the critical density, and H equals 50 km/sec/Mpc, then the true age of the universe is 13.3 billion years
Indicate whether the statement is true or false
Addition by 1. Components: The figure shows three vectors, src="https://sciemce.com/media/4/ppg__cp1pbb0313192044__f15g1q36g6.jpg" style="vertical-align: -5.0px;" />.
, 
, and 
, along with their magnitudes. Determine the magnitude and direction of the vector given by 
+ 
- 
Fill in the blank(s) with the appropriate word(s).
Briefly describe how human activity is affecting Earth's ozone layer
What will be an ideal response?
Is the Chernobyl accident an advertisement for passive reactor safety features? Explain
What will be an ideal response?