subject
Physics, 21.07.2019 12:30 Gearyjames8

The beam of a light spreads out after leaving the flashlight. the beam grows wider and wider. this is best explained by a) diffraction b) interference c) reflection d) refraction

ansver
Answers: 2

Another question on Physics

question
Physics, 21.06.2019 17:00
What would the difference of spectral lines emitted by hydrogen gas in distant galaxies which is normally found at a wavelength of 21 cm on earth, be observed at 21.1 centimeters?
Answers: 2
question
Physics, 21.06.2019 20:30
Aball is thrown straight up into the air with a speed of 21 m/s. if the ball has a mass of 0.1 kg, how high does the ball go? acceleration due to gravity is g = 9.8 m/s^2. a. 22.5 m b. 20.0 m c. 25.0 m d. 17.5 m
Answers: 2
question
Physics, 22.06.2019 18:30
Two 2.0-cm-diameter disks face each other, 1.0 mm apart. they are charged to ±10 nc. what is the electric field strength between the disks? a proton is shot from the negative disk toward the positive disk. what launch speed must the proton have to just barely reach the positive disk?
Answers: 1
question
Physics, 23.06.2019 02:00
2select the correct answer. javed suffers from a severe food allergy. which device should javed always carry? a. inhaler b. epi pen c. nebulizer d. insulin pen
Answers: 1
You know the right answer?
The beam of a light spreads out after leaving the flashlight. the beam grows wider and wider. this i...
Questions
question
Mathematics, 13.10.2019 02:00
question
Social Studies, 13.10.2019 02:00
question
Social Studies, 13.10.2019 02:00
question
Mathematics, 13.10.2019 02:00
Questions on the website: 13722363