4th Weekly Assessment in General Physics 2

The amplitude of the resultant wave is the sum of the amplitudes of the individual waves.

If the individual amplitudes are equal, then the total amplitude is zero, this cancellation or partial cancellation of the individual waves is called?

A __________ grating consists of a large number of thin parallel slits, spaced a distance d apart.

In single-slit diffraction _________sent through a narrow slit of width a produces a diffraction pattern on a distant screen.

Who is the English scientist that experimented light interference using slits?

When two or more waves overlap, the resultant displacement at any point and at any instant is found by adding the instantaneous displacements that would be produced at the point by the individual waves if each were present alone.

Light waves are reflected from the front and back surfaces of such single slit, and constructive interference between the two reflected waves (with different path lengths) occurs in different places for different wavelengths.

The complex shapes of the colored patterns result from variations in the thickness of the film.

You cannot observe a similar diffraction pattern by looking at a point source, such as a distant street light, through a narrow slit formed between your two thumbs held in front of your eye.

The amplitude of the resultant wave is the sum of the amplitudes of the individual waves.

An observer sees yellow color on top of water with oil on it. If the light that hits the surface of water has a wavelength of 500nm. How thick is the spilled oil for the viewer to see yellow light dominantly?

Alight with a wavelength of 700 nm is shined on two small slits. The distance between the slits is 1.5mm and the screen is placed 4m away from it. The light shines brightest at the central maximum. Find the distance from the central maximum where the first maximum will be located on constructive (bright) interference.

Alight with a wavelength of 700 nm is shined on two small slits. The distance between the slits is 1.5mm and the screen is placed 4m away from it. The light shines brightest at the central maximum. Find the distance from the central maximum where the second maximum will be located on constructive (bright) interference.

Alight with a wavelength of 700 nm is shined on two small slits. The distance between the slits is 1.5mm and the screen is placed 4m away from it. The light shines brightest at the central maximum. Find the distance from the central maximum where the third maximum will be located on constructive (bright) interference.

Alight with a wavelength of 700 nm is shined on two small slits. The distance between the slits is 1.5mm and the screen is placed 4m away from it. The light shines brightest at the central maximum. Find the distance from the central maximum where the first maximum will be located on destructive (dark) interference.