The quantity h, now known as the Planck constant, is a universal constant with the approximate value of 6.626 X 10^-34 Js. Max Planck assumed that the radiation energy is emitted in discrete packets called quanta rather than in a continuous way. The energy E of the quantum is related to the frequency Î½ by E = hÎ½. The quantity h, now known as the Planck constant, is a universal constant with the approximate value of 6.626 X 10^-34 Js. Max Planck assumed that the radiation energy is emitted in discrete packets called quanta rather than in a continuous way.
1 Some patients with anemia have no symptoms. 2  Those that do have symptoms may. 3  feel tired, 4  become easily fatigued, 5  appear pale, 6  have a feeling of a heart racing, 7  feel short of breath, and/or. 8  have worsening heart problems. 9  Anemia can be detected by a simple blood test called a complete blood cell count (CBC).
If anemia is severe, fainting may occur. Other symptoms include brittle nails, shortness of breath, and chest pains. Blood oxygen levels can be so low that a person with severe anemia can have a heart attack.A physical exam that your doctor does may show: 1  high or low blood pressure. 2  pale skin.3  jaundice.f anemia is severe, fainting may occur. Other symptoms include brittle nails, shortness of breath, and chest pains. Blood oxygen levels can be so low that a person with severe anemia can have a heart attack. A physical exam that your doctor does may show: 1  high or low blood pressure. 2  pale skin. 3  jaundice.