Q.

Which of the following is the meaning of rectilinear propagation of light?


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a

Light travels in a straight line

b

Collection of rays of light travelling in various directions

c

Collection of rays of light diverging from the given point

d

None of the above 

answer is A.

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Detailed Solution

"Light travels in a straight line" is the meaning of rectilinear propagation of light.
In simple words, rectilinear propagation of light can be said that the light travels in a straight line. It is known that light travels in a straight line and is electromagnetic energy, which means that the path of the light can be stopped by the opaque object, and it won't bend around the corners until and unless the size of the object is too less.
 
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