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What is diffraction?
Which of the following properties of a wave will remain unchanged after experiencing diffraction?
Figure on the right shows a wave moves towards an obstacle. Which of the followings shows the wavefronts correctly after meeting the obstacle?
Figure on the right shows a wave moves towards an obstacle. Which of the followings shows the wavefronts correctly after passing through the opening?
Figure on the right shows a wave moves towards an obstacle. Which of the followings shows the wavefronts correctly after passing through the opening?
In the figure on the right, the sweeper can still hear the sound from the radio even though there is a wall in between them. This phenomenon can be explained by the
Which of the followings prove that light is a wave?
Which of the following diagram shows the pattern of diffraction of a monochromatic light?
What happen to light wave as it passes from glass into air?
A pin hole is made in a piece of card, and an observer views a source of bright monochromatic light through the pin hole. Which of the following shows the pattern of diffraction observed by the observer?