Front

What is refraction?

Back

Refraction is the bending of light waves as they pass from one medium to another, caused by a change in their speed.

Front

What is the formula for work done?

Back

Work done (W) = Force (F) x Distance (d).

Front

What is potential energy?

Back

Potential energy is the energy stored in an object due to its position or configuration, such as a drawn bowstring.

Front

What is kinetic energy?

Back

Kinetic energy is the energy of an object in motion, calculated as KE = 1/2 mv², where m is mass and v is velocity.

Front

What is impulse?

Back

Impulse is the change in momentum of an object when a force is applied over a period of time, calculated as Impulse = Force x Time.

Front

What is the formula for gravitational potential energy?

Back

Gravitational potential energy (PE) = mass (m) x gravitational acceleration (g) x height (h).

Front

What is the law of universal gravitation?

Back

The law states that every point mass attracts every other point mass with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers.

Front

What is the relationship between force and acceleration?

Back

According to Newton's second law, Force (F) = mass (m) x acceleration (a).

Front

What is the principle of conservation of energy?

Back

The principle states that energy cannot be created or destroyed, only transformed from one form to another.

Front

What is the formula for calculating the force of attraction between two charges?

Back

The force of attraction (F) = k * |q1 * q2| / r², where k is Coulomb's constant, q1 and q2 are the charges, and r is the distance between them.