## How did Newton explain diffraction?

Newton claimed that Grimaldi’s diffraction was simply a new kind of refraction. He argued that the geometric nature of the laws of reflection and refraction could only be explained if light is made of particles, which he referred to as corpuscles, as waves don’t tend to travel in straight lines.

### What did Newton’s prism experiment prove?

Newton’s Rainbow. In the 1660s, English physicist and mathematician Isaac Newton began a series of experiments with sunlight and prisms. He demonstrated that clear white light was composed of seven visible colors.

#### What was Newton’s experiment?

Newton’s crucial experiment was to refract light onto a piece of wood, into which had been drilled a small hole. In this way, he was able to obtain a beam of light with a pure color. He was able to show that blue light, for instance, when refracted through a second prism yielded again only blue light.

What was Thomas Young’s experiment?

In May of 1801, while pondering some of Newton’s experiments, Young came up with the basic idea for the now-famous double-slit experiment to demonstrate the interference of light waves. The demonstration would provide solid evidence that light was a wave, not a particle.

Can particle theory explain diffraction?

In fact, the particle theory is also not adequate to explain interference and diffraction, effects that would be later found to be manifestations of the same phenomenon.

## Which of the following is Sir Isaac Newton’s theory that explains light as a particle?

Newton’s corpuscular theory stated that light consisted of particles that travelled in straight lines. Huygens argued that if light were made of particles, when light beams crossed, the particles would collide and cancel each other. He proposed that light was a wave.

### What happens when you pass white light through a prism?

Upon passage through the prism, the white light is separated into its component colors – red, orange, yellow, green, blue and violet. The separation of visible light into its different colors is known as dispersion.

#### How did Newton prove that the colors did not reside in the prism?

Newton set up a prism near his window, and projected a beautiful spectrum 22 feet onto the far wall. Further, to prove that the prism was not coloring the light, he refracted the light back together.

What experiments did Isaac Newton do to test gravity?

In 1728, Newton demonstrated the universality of the force of gravity with his cannonball thought-experiment. Here Newton imagined a cannon on top of a mountain. Without gravity, the cannonball should move in a straight line. If gravity is present, then its path will depend on its velocity.

What is the significance of Young’s double-slit experiment?

Young’s original double-slit experiments were in fact the first to demonstrate the phenomenon of interference. When he shone light through two narrow slits and observed the pattern created on a distant screen, Young didn’t find two bright regions corresponding to the slits, but instead saw bright and dark fringes.

## Why does diffraction prove light is a wave?

Refraction of waves involves a change in the direction of waves as they pass from one medium to another. And diffraction involves a change in direction of waves as they pass through an opening or around an obstacle in their path.

### What is the apparatus used in the Newton’s Ring experiment?

Ans: The apparatus for Newton’s ring and the aim of the experiment are to study the formation of Newton’s rings in the air-film in between a lens which is a plano-convex and a glass plate by using a nearly monochromatic light from a sodium-source and hence this is to determine the radius of curvature of the plano-convex lens. Q4.

#### What caused the color of light in Newton’s experiment?

The popular opinion on Newton’s experiments was that the glass prism was responsible for the colorization of light, which itself was a combination of light and darkness. The experiment involved a small circular hole in a window shutter, through which a beam of light can enter a very dark room.

What is meant by diffraction in physics?

Diffraction is the spreading or bending of waves as they bend around the edge of an obstacle or pass through an opening whose dimensions are comparable to the wavelength of the wave. Diffraction occurs with all waves — water waves, sound waves, light waves, X-Rays, radio waves.

What did Isaac Newton discover about the visible spectrum?

The discovery of the visible spectrum. Sir Isaac Newton (1642-1726) made a series of experiments which revealed the properties of complex white light and its simple elements we call colors. A 38-year-old journey that culminated with the book “Optics” in 1704 and changed our understanding of light forever.