A ray of light traveling in air makes a 63.0 angle with respect to the normal of the surface of a liquid. It travels in the liquid at a 39.2 angle with respect to the normal.
Find the critical angle for total internal reflection for this interface.
Question 2
A particle physicist observes cosmic rays creating a new particle high in the atmosphere, and the speed of this particle is measured at 99.7 the speed of light.
It is unstable, and is observed to decay in an average 37.0 s. If this particle were at rest in the laboratory, what would be its average lifetime?
A) 2.9 s
B) 18 s
C) 5.3 s
D) 12 s
E) 4.3 s
Which wavelengths of light are most effective at photosynthesis?
Asthma. (a) A normal bronchiole. (b) An asthmatic bronchiole. During an asthma “attack,” the bronchi
Changes in bronchioles during an asthma attack: (a) normal bronchiole; (b) asthmatic bronchiole.
Relationship of Sun Angle and Solar Radiation
People who are color-blind see colors differently. (a) Those with normal vision see the red leaves.
In the retina, there are two types of light receptor cells: Rods are sensitive to differences in lig