1000+ NEET Physics Chapter Wise Questions and Answers Pdf - 1

Question: 1

Particles like mesons were discovered from

(A) elementary particles

(B) gamma rays

(C) cosmic ray showers

(D) cosmic rays

Question: 2

In fast breeder reactors, the fuel pellets are packed in special tubes made up of

(A) tungsten

(B) rubidium

(C) stainless steel

(D) aluminium

Question: 3

The part of the mass spectrometer which allows the iron beam of a particular velocity to pass through another slit is

(A) collimator

(B) magnetic field

(C) velocity selector

(D) narrow slits

Question: 4

Thermal neutrons have energy of about

(A) 25 eV

(B) 2.5 eV

(C) 0.25 eV

(D) 0.025 eV

Question: 5

Who named the ionising radiations from outer cosmos as cosmic rays?

(A) Irene Curie

(B) Millikan

(C) Sommerfeld

(D) Neil Bohr