What is the critical angle for light traveling from crown glass (n = 1.52 ) into water (n = 1.33 )?

A) 42°
B) 48°
C) 53°
D) 57°
E) 61°


E

Physics & Space Science

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Three devices that use electromagnetic induction in their operation are generators, transformers, and dynamic microphones

Indicate whether the statement is true or false

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A damped oscillator is released from rest with an initial displacement of 10.00 cm. At the end of the first complete oscillation the displacement reaches 9.05 cm. When 4 more oscillations are completed, what is the displacement reached?

a. 7.41 cm b. 6.71 cm c. 6.07 cm d. 5.49 cm e. 5.25 cm

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The most prominent theory about spiral arms is called the _____

A) spiral quantum fluctuations B) spiral gravitational collapse C) spiral density wave theory D) spiral radiation theory

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For what kinds of stars are the masses of stars in the H-R diagram "orderly"? For what kinds of stars are they disorderly? In other words, could you guess the mass of a star from its location (luminosity, temperature) on the H-R diagram?

What will be an ideal response?

Physics & Space Science