Answer:
2. 17.7cm
3. -7 that is magnification
Explanation:
See attached handwritten document
Answer:
E = 1.711 MeV
Explanation:
From the law of the conservation of energy:
where,
the kinetic energy of positron and electron = 1.2 MeV
Rest energy of the electron and the positron = 0.511 MeV
E = Energy of Photon = ?
Therefore,
<u>E = 1.711 MeV</u>
Answer: The answer is B. Add more solute (took test)
Explanation: