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#1 2017-11-01 07:44:27
- hamidoon123
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- Registered: 2017-09-21
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A line normal to the wave front is called?
ECAT Engineering Exams Quizzes MCQs Quizzes ECAT Engineering Entry Test 2017 Physics Physical Optics 1
Question:
A line normal to the wave front is called
Option A):
A ray of light
Option B):
None of these
Option C):
A beam of light
Option D):
Both
Correct Answer is Option A):
A ray of light
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2017-11-01 07:44:27
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