One end of a horizontal string is fixed to a wall. a transverse wave pulse in the form of a crest is generated at the other end and moves toward the wall, as shown. consider the pulse after it has been reflected by the wall. v what is/are correct concerning the reflected pulse? a) the reflected pulse forms a crest. b) the reflected pulse forms a valley. c) the reflected pulse has a greater amplitude than that of the incident pulse. d) the reflected pulse has a greater speed than that of the incident pulse. 1. a and b only 2. a and d only 3. a, b and d only 4. a only 5. b and c only 6. b and d only 7. d only

answer: the direction of the wind is expressed as the direction from which the wind is blowing. for example, easterly winds blow from east to west, while westerly winds blow from west to east.

explanation:

the components of a vector are the parts of the vectors that are to each other.

b perpendicular

you'd use the equation that establishes a relationship between  energy  and  wavelength, which looks like this

e=h⋅cλ, where

λ  - the wavelength of the photon; c  - the speed of light, usually given as  3⋅108m/s; h  -  planck's constant, equal to  6.626⋅10−34j s

plug the value you were given for the energy of the photon in the above equation to get the wavelength

e=h⋅cλ⇒λ=h⋅ce

λ=6.626⋅10−34js⋅3⋅108ms−1.257⋅10−24j=1.581⋅10−1m