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Home/short answer questions/Page 3

Discussion Forum Latest Questions

Kasturi Jha
Kasturi Jha
Asked: January 17, 2025In: Class 12 Physics

Name the reaction responsible for energy production in the Sun.

Nuclear fusion reaction. Class 12 Physics Chapter 13 Nuclei Session 2024-2025.

chapter 13 nucleiclass 12 physicsreaction responsible for energy production in the sunshort answer questions
  • 1 1 Answer
  • 8 Views
  • 1 Vote
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Kasturi Jha
Kasturi Jha
Asked: January 17, 2025In: Class 12 Physics

³₂He and ³₁H nuclei have the same mass number. Do they have the same binding energy?

No, the binding energy of ³₁H is more than that of ³₂He Class 12 Physics Chapter 13 Nuclei Session 2024-2025.

class 12 physicsshort answer questionsthe same binding energy
  • 1 1 Answer
  • 11 Views
  • 1 Vote
Answer
Komal01 Verma
Komal01 Verma
Asked: January 16, 2025In: Class 12 Physics

State Bohr’s quantum condition for stationary orbits in terms of de-Broglie wavelength.

Total length of an orbital path of electron in nth state of atom should be in times (where n is an integer), the value of de-Broglie wavelength λ.. Thus, 2πτη = η λde. Class 12 Physics Chapter 12 Atoms Session ...

chapter 12 atomsclass 12 physicsshort answer questionsstationary orbits in terms of de-broglie wavelength
  • 1 1 Answer
  • 10 Views
  • 1 Vote
Answer
Komal01 Verma
Komal01 Verma
Asked: January 16, 2025In: Class 12 Physics

What is the maximum number of spectral lines emitted by a hydrogen atom when it is in the third excited state?

Third excited state in hydrogen atom corresponds to n = 4. Hence maximum number of spectral lines, which can be emitted, is = n(n-1)/2 = 4(4-1)/2 = 6. Class 12 Physics Chapter 12 Atoms Session 2024-2025.

class 12 physicshydrogen atom when it is in the third excited stateshort answer questions
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Komal01 Verma
Komal01 Verma
Asked: January 16, 2025In: Class 12 Physics

Define ionisation energy. What is its value for a hydrogen atom?

Jonisation energy of an atom is defined as the energy required to remove an electron from its ground state energy level to its free state. Ionisation energy for a hydrogen atom is 13.6 eV. Class 12 Physics Chapter 12 Atoms ...

class 12 physicsionisation energyshort answer questions
  • 1 1 Answer
  • 8 Views
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