SOA G8 SRM-1

Everything we see around is made up of

• Matter

• Stones

• Bricks

Electrons were discovered by

• John dalton

• JJ thomson

Which of the following scientists used cathode ray tube

• JJ Thomson

• James Chadwick

• Ernst Rutherford

Plum pudding model is suggested by

• JJ Thomson

• John Dalton

• Ernst Rutherford

Alpha particle consists of

• 1 proton 1 neutron

• 2 proton , 2 neutrons

• 3 proton , 3 neutron

• 4 proton , 4 neutron

Alpha particle represents

• Helium atom

• Helium nucleus

• Electrons in th helium

Neutrons were discovered by

• JJ Thomson

• Ernst Rutherford

• James Chadwick

Which of the subatomic particles forms nucleus

• Electrons and protons

• Electrons and neutrons

• Protons and neutrons

• Protons and quarks

The scientist who said atoms combine at atomic level

• John dalton

• JJ Thomson

• Rutherford

• James Chadwick

In Rutherford's experiment , a circular fluorescent screen is made up of

• Zinc sulphate

• Znc sulphite

• Zinc sulphide