objectives on electric and magnetic properties # 10

                                      Hi friends, these are some of the multiple choice questions on electrical and magnetic properties. These are some of the basic questions which are asked in previous competitive papers check out and comment...

1) The contribution to the ionization in an ionization chamber by electrons liberated from the walls.
A) Skin effect
B) Walt effect
C) Hall effect
D) Edison effect

Ans:B

2) The tiniest element of matter
A) Atom
B) Proton
C) Electron
D) Neutron

Ans:A

3) All matters (gas, liquid and solid) are composed of
A) Neutrons
B) Particles
C) Electrons
D) Atoms

Ans:D

4) The simplest type of atom to exist is the atom.
A) Helium
B) Hydrogen
C) Boron
D) Oxygen

Ans:B

5) What revolves about the positive nucleus in a definite orbit?
A) Atom
B) Proton
C) Electron
D) Neutron

Ans:C

6) The uncharged particles which have no effect on its atomic charge
A) Nucleons
B) Electrons
C) Protons
D) Neutrons

Ans:D

7) The diameter of a hydrogen atom is approximately cm.
A) 1.1 x 10^-6
B) 1.1 x 10^-7
C) 1.1 x 10^-8
D) 1.1 X 10^-9

Ans:C

8) The K shell or the first shell has how many permissible number of orbiting electrons?

A) 1

B) 2

C) 3

D) 4

Ans:B

9) Germanium atom has protons and electrons.
A) 32, 32

B) 32, 42

C) 42, 32

D) 34, 34

Ans:A

10) A germanium atom has an atomic weight of 72. How many neutrons are there?

A) 32
B) 40

C) 34

D) 36

Ans:B

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