Name two important differences between light waves and sound waves

What is the equation that represents the law of reflection?

What is the difference between Fresnel diffraction and Fraunhoffer diffraction?

An action force is 40 N to the right. The reaction force must be: A. 20 N left B. 40 N left C. 20 N right D. 40 N right

Now is studying wave a and wave b. Wave A is rated at 100 dB, and wave B is rated at 90 dB. Which statement can be made about the waves?

Work is being done in which of these situations? all motions are at a constant velocity

A pendulum with a mass of 1 kg is released from a height of 1.5 cm above the height of its resting position?

Which of the following types of weather data is measured as a percentage?. A] air pressure. B] precipitation. C] relative humidity. D] wind speed

What are at least three types of energy involving a microwave

1. At one time, people thought that heat was a substance called

How are magnet'so magnetic force and magnetic field different

Ahmed saw all of these things as he walked to school this morning. Which one is an example of a force pushing downward toward the ground? A. A bird sat on a telephone wire. B. A woman moved her child from one place to another in a wagon. C.

What types of mediums are involved in the energy transfer