Nuclei questions
336 published questions with worked solutions.
- For a body moving with relativistic speed, if the velocity is doubled, then [Orissa JEE 2005]
- For a body moving with relativistic speed, if the velocity is doubled, then [Orissa JEE 2005]
- A nucleus with mass number 220 initially at rest emits an α-particle. If the Q value of the reaction is 5.5 MeV, calculate the...
- Statement 1: Mass and energy are not conserved separately, but are conserved as a single entity called mass-energy. Statement 2:...
- Statement 1: Mass and energy are not conserved separately, but are conserved as a single entity called mass-energy. Statement 2:...
- Statement 1: Energy released when a mass of one microgram disappears in a process is 9 × 10⁷ J. Statement 2: It follows from E =...
- A ²³⁸U nucleus decays by emitting an alpha particle of speed v ms⁻¹. The recoil speed of the residual nucleus is (in ms⁻¹)
- Statement 1: Mass and energy are not conserved separately, but are conserved as a single entity called mass-energy. Statement 2:...
- Statement 1: The size of the nucleus of an atom is not very small. Statement 2: One Fermi is equal to 10^ -15 ,m.
- Statement 1: The unit used for measuring nuclear cross-section is 'barn'. Statement 2: 1 barn =10^ -4 ,m^2.
- One amu is equivalent to 931 ,MeV energy. The rest mass of an electron is 9.1 10^ -31 ,kg (1 ,amu=1.67 10^ -27 ,kg). The mass...
- Statement 1: The unit used for measuring nuclear cross section is 'barn'. Statement 2: 1 barn =10^ -14 ,m^2.
- Which is the correct unit for measuring nuclear radii?
- Curie is a unit of **[CBSE PMT 1992, CPMT 1992, Similar Kerala PMT 2009]**
- The unit of nuclear dose given to a patient is
- A radioactive nucleus of mass number A, initially at rest, emits an -particle with a speed v. What will be the recoil speed of...
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