State the law of reflection

What will be an ideal response?


The angle of incidence is equal to the angle of reflection.

Physics & Space Science

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Which represents the velocity as a function of time for a ball which is dropped (consider only the time until just before it hits the ground)?

A.
B.
C.
D.

Physics & Space Science

Is it possible for an object moving with a constant speed to accelerate? Explain

What will be an ideal response?

Physics & Space Science

Suppose that the star Betelgeuse (the upper left shoulder of Orion) were to supernova tomorrow (as seen here on Earth). What would it look like to the naked eye?

A) Betelgeuse would suddenly appear to grow larger in size, soon reaching the size of the full Moon. It would also be about as bright as the full Moon. B) Betelgeuse would remain a dot of light, but would suddenly become so bright that, for a few weeks, we'd be able to see this dot in the daytime. C) We'd see a cloud of gas expanding away from the position where Betelgeuse used to be. Over a period of a few weeks, this cloud would fill our entire sky. D) Because the supernova destroys the star, Betelgeuse would suddenly disappear from view.

Physics & Space Science

In a double-slit experiment, the slit separation is 1.75 mm, and two coherent wavelengths of light, 425 nm and 510 nm, illuminate the slits

At what angle from the centerline on either side of the central maximum will a bright fringe from one pattern first coincide with a bright fringe from the other pattern?

Physics & Space Science