Telegram group: T.me/BBCNOUN
======
PHY401
======

1. The lepton number is

	--->> Additive

	      Cumulative

	      Associative

	      Distributive

2. The law that explains the stability of proton is the law of

	      Parity

	      Strangeness

	--->> Conservation of baryon number

	      Momentum

3. The law of conservation of isospin is valued for

	      Weak interactions

	      No interaction

	--->> Strong interaction

	      None of the options

4. Parity transformation can be likened to

	      Minor refraction

	--->> Minor reflection

	      Minor translation

	      All   of the options

5. The law of conservation of momentum results when a system has

	--->> Translational

	      Rotational

	      Potential

	      All   of the options

6. The proton is the lightest ______ and hence it is stable

	      Charge

	--->> Baryon

	      Neutrino

	      Post

7. Electrons cannot decay into neutral particles because it is a violation of

	      Angular momentum

	      Parity

	      Energy

	--->> Charge

8. Transformation of particles into antiparticles is refered to as

	      G parity

	--->> C parity

	      D parity

	      F particles

9. Reactions involving hadrons can be understood using

	      Orbital quantum no

	      Azimuthal quantum no

	      Magnetic quantum no

	--->> Strangeness quantum no

10. The strong and electromagnetic interaction conserve

	--->> Parity

	      objects

	      families

	      no option