To increase the distance between the nodal lines as it may
be difficult to determine the wavelength of the light source because the nodal
lines are too close, the student should spread the fringe pattern by having to
be able to decrease the separation of the slit.
Answer:
13
Explanation:
on the periodic table you can find it under the abbreviation AI
Not sure I understand can you explain more
Answer;
- June 21
At 45 degrees latitude, the angle of the noon sun is lowest and the length of daylight is shortest on June 21.
Explanation;
-On June 21 you will note that the Northern Hemisphere is pitched toward the Sun. This means that the Sun's vertical ray is striking the Earth at the Tropic of Cancer (23.5 degrees N).
-Days tend to get longer in the northern hemisphere from December 21 to June 21, and then grow shorter from June 21 to December 21. The June solstice is the summer solstice in the Northern Hemisphere and the winter solstice in the Southern Hemisphere. The date varies between June 20 and June 22, depending on the year, and the local time zone.