What is the wavelength of light emitted when the electron in a hydrogen atom moves from the n=5 state to the n=2 state? give your answer in nm?

Why are dispersion forces weaker than dipole

Liquids and air resistance are always: A. fluid forces B. support forces C. applied forces D. tensional forces

Which of the following situations could cause light to diffract? A. Light enters a new medium with a different density B. Light passes through a small opening C. Light hits a surface and bounces off D. Light is absorbed by a dark surface

If a rabbit runs 678 m down the street in 457s, what will its speed be?

The dominant wavelength of energy emitted by the sun is

A refrigerator is a system. The energy input into the refrigerator system (in the form of electricity) is the same as the amount of energy output from the system. Which of the following best describes the energy output of the system?

A 1,120 kg car is travelling with a speed of 40 m/s. Find its energy.

3. Calculate the amount of current through a 45-watt light bulb that is connected to a 120-volt circuit in your home.

Are oranges called oranges because oranges are orange, or is orange called orange because oranges are orange?

An object at rest has no net force acting on it. a. True b. False