Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEET2024PhysicsNuclear PhysicsActual

Select the correct statements among the following : A. Slow neutrons can cause fission in ₉₂²³⁵ U than fast neutrons. B. -rays are Helium nuclei. C. -rays are fast moving electrons or positrons.| D. -rays are electromagnetic radiations of wavelengths larger than X-rays. Choose the most appropriate answer from the options given below

Options

  1. AA, B and C only
  2. BA, B and D only
  3. CA and B only
  4. DC and D only

Correct answer

A. A, B and C only

Step-by-step solution

(A) Slow neutron can cause fission in ₉₂²³⁵ U than fast neutrons because fast neutrons are too quick so they scatter of atoms instead of being captured by them (B) -rays are Helium nuclei, is a true statement (C) -rays are generated when neutron is converted into proton by releasing electron or proton is converted into neutron by releasing positron. (D) -rays have higher energies as compared to X -rays. So they have smaller wavelength as compared to X-rays.

Practice Nuclear Physics on Quantrex Academy →

More from Nuclear Physics

Consider the following nuclear fission reaction ₀^1 n + ₉₂²³⁵U _Z^A Y + ₄₁⁹⁹Nb + neutrons . If 4 neutrons are released during the fission process, then A and Z are 2026Two spherical nuclei have mass numbers 216 and 64 with their radii R₁ and R₂ respectively. The ratio R₁ R₂ is 2026At time t = 0 , the activity of a radioactive substance is 1600 Bq. At t= 8 s, the activity remains 100 Bq. The activity at t = 2 s, the is 2026A radioactive nucleus ₉₂X²³⁵ decays to ₉₁Y²³¹ . Which of the following particles are emitted? 2026In a given reaction, ^ A _ Z X ^ A _ Z+1 Y ^ A-4 _ Z-1 K ^ A-4 _ Z-1 K the radioactive radiations are emitted in the sequence of 2026When a nucleus in an atom undergoes a radioactive decay, the atomic number and/or mass number of the atom 2026A common example of ^- decay is ₁₅ P ³² ₁₆ S ³² + x + y Then x and y , respectively, stand for 2026For a radioactive nucleus that undergoes ^+ decay, which of the following CANNOT occur? 2026 Full Nuclear Physics list All NEET PYQs