A visible light emits light with a wavelength of 4.00x10^-7m.

Calculate the frequency of the violet light.

a) 7.50x10^4Hz

b) 6.30x10^24Hz

c) 7.50x10^1Hz

d) 6.30x10^-1Hz

A Fathom is an old depth measure equal to 6 Feet How deep in meters is a 5_ fathom deep water channel show working out

A listener triples his distance from a source that emits sound uniformly in all directions. by how many decibels does the sound intensity level change?

Which type of wave was used in telegraphs to communicate in Morse code?

Static cling makes your clothes stick together. what causes this to happen? 1. external forces to the clothes 2. forces of nature 3. friction created by tumbling clothes 4. the nature of the material

During the final stages of descent, asky diver with an openparachute approaches the ground with a constant velocity. Thewind does not blowhim from side to side.

In a polar covalent bond

Lindsay is late to class and is running down the hallway at a speed of 2 m/s the length of the hallway is 150 meters. How long will it take her to run down the hallway?

Which of the following is evidence that groundwater causes erosion and deposition?

Changing the direction of current will or will not affect the strength of an electromagnet

A swimming pool has the dimensions of 10 meters, 5 meters, and 1 meter. What is the pool's volume? 50 m 50 m3 50 m2 25 m3