Question
Question: Which of the following properties of laser beam can be used to measure long distances?...
Which of the following properties of laser beam can be used to measure long distances?
A
It is very intense
B
It is highly monochromatic
C
It is an unidirectional beam of light
D
All of thes
Answer
All of thes
Explanation
Solution
A laser is a source of very intense, monochromatic and unidirectional beam of light. These properties of a laser light can be exploited to measure long distances.