A laser beam is incident from the air at an angle of 30.00° to the vertical onto a solution of Karo syrup in water. If the beam is refracted to 19.24° to the vertical, what is the index of refraction of the syrup solution?
What will be an ideal response?
1.517
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In an LC circuit, if we increase the capacitor’s capacitance (while keeping everything else the same), the circuit’s oscillation frequency will
A. increase. B. decrease. C. remain the same. D. One needs more information to answer
What is the most important reason why an icy moon is more likely to be geologically active than a rocky moon of the same size?
A) Ice has a lower melting point than rock. B) Ice is less rigid than rock. C) Ice contains more radioactive elements than rock. D) Ice is affected by tidal forces to a greater extent than rock. E) Ice is less dense than rock.
Which of these graphs would be correct for the speed of a ball thrown upward? 
A. A B. B C. C D. D
The purity of an alloy is given by the _____________.
Fill in the blank(s) with the appropriate word(s).