X-rays were discovered by Roentgen
59) X-rays were discovered by
Answer is:
Roentgen
Explanation:
Related Optics MCQ with Answers
Answer is:
distance between source and observer
Explanation:
Doppler effect is independent of distance between source and observer
Answer is:
Both particle and wave approaches help us understand different phenomenon
Explanation:
Both particle and wave approaches help us understand different phenomenon
Answer is:
a wave model
Explanation:
a way of representing something in order to understand it better and to make predictions
Answer is:
particle model
Explanation:
Emission and absorption is best described by particle model