Identify the fringe or fringes that result from the interference of two waves whose phases differ by exactly 2? .

enter the letter(s) indicating the fringe(s) in alphabetical order. for example, if you think that fringes a and c are both correct, enter ac.

the same double-slit experiment is then immersed in water (with an index of refraction of 1.33) and repeated.

when in the water, what happens to the interference fringes?

they are more closely spaced than in air by a factor of 1.33.

they are more widely spaced than in air by a factor of 1.33.

they are spaced the same as in air.

they are shifted upward.

they are shifted downward.

What is the type of the reaction below? bacl2 + h2so4 → 2 hci + baso4 double replacement synthesis single replacement decomposition

First, launch the video below. you will be asked to use your knowledge of physics to predict the outcome of an experiment. then, close the video window and answer the question at right. you can watch the video again at any point. part a as in the video, we apply a charge +q to the half-shell that carries the electroscope. this time, we also apply a charge –q to the other half-shell. when we bring the two halves together, we observe that the electroscope discharges, just as in the video. what does the electroscope needle do when you separate the two half-shells again? view available hint(s) as in the video, we apply a charge + to the half-shell that carries the electroscope. this time, we also apply a charge – to the other half-shell. when we bring the two halves together, we observe that the electroscope discharges, just as in the video. what does the electroscope needle do when you separate the two half-shells again? it deflects more than it did at the end of the video. it deflects the same amount as at end of the video. it does not deflect at all. it deflects less than it did at the end of the video. submit

Which of these is not a possible type of energy transformation? a. electrical energy into light energy b. sound energy into nuclear energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy