Isaac newton, newton’s 2nd law, acceleration, forces, velocity
        
             
        
        
        
Answer:
The light bends away from the normal
Explanation:
We can solve the problem by using Snell's law:

where:
 is the index of refraction of the first medium
 is the index of refraction of the first medium
 is the index of refraction of the second medium
 is the index of refraction of the second medium
 is the angle of incidence (angle between the incoming ray and the normal to the interface)
 is the angle of incidence (angle between the incoming ray and the normal to the interface)
 is the angle of refraction (angle between the outcoming ray and the normal to the interface)
 is the angle of refraction (angle between the outcoming ray and the normal to the interface)
We can rearrange the equation as

In this problem, light travels from an optically denser medium to an optically rarer medium, so

Therefore, the term  is greater than 1, so
 is greater than 1, so

which means that the angle of refraction is greater than the angle of incidence, and so the light will bend away from the normal.
 
        
             
        
        
        
In a series circuit, there is only one path for current to take.  
If more bulbs are added, then the same current loses more energy, 
making heat and light on its way through more bulbs, so the ones that 
were there before become dimmer.
        
             
        
        
        
Answer:
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