AP Physics 2 Review 2

Front

What is a converging lens?

Back

A converging lens is a lens that brings light rays together to a point, known as the focal point. It is thicker in the center than at the edges.

Front

How does moving an object closer to a converging lens affect the size of the image?

Back

Moving the object closer to the lens (but still outside the focal point) increases the size of the real image formed by the lens.

Front

What happens to light when it passes through a single slit that is much narrower than its wavelength?

Back

When light passes through a narrow slit, it diffracts, causing the wave fronts to spread out and create a pattern of light and dark regions on the other side.

Front

What is the direction of the force on a charged particle moving in a magnetic field?

Back

The force on a charged particle moving in a magnetic field is perpendicular to both the velocity of the particle and the direction of the magnetic field, determined by the right-hand rule.

Front

What is the relationship between the speed of a particle and its wavelength according to de Broglie's hypothesis?

Back

According to de Broglie's hypothesis, the wavelength of a particle is inversely proportional to its momentum, which means that as speed increases, wavelength decreases.

Front

What is the formula for calculating the wavelength of a particle?

Back

The wavelength (λ) of a particle is given by the formula λ = h/p, where h is Planck's constant and p is the momentum of the particle.

Front

What is the strong nuclear force?

Back

The strong nuclear force is a short-range force that holds protons and neutrons together in the nucleus of an atom, overcoming the repulsive electromagnetic force between positively charged protons.

Front

What is the difference between gravitational force and strong nuclear force?

Back

Gravitational force is a long-range force that acts between masses, while strong nuclear force is a short-range force that acts between nucleons (protons and neutrons) in the nucleus.

Front

What is the significance of the focal point in lens optics?

Back

The focal point is the point where parallel rays of light converge after passing through a converging lens, and it is crucial for image formation.

Front

How does the diameter of a lens affect image formation?

Back

A larger diameter lens can gather more light and can produce a brighter image, but it does not change the focal length.