Physics Mcqs

Electrons_________________?

• (A)  Can exist inside the nucleus
• (B)  Cannot exist inside the nucleus
• (C)  Can exist both inside and outside the nucleus
• (D)  Do not know

Answer

Submitted By :Ali Uppal

Which one of the following radiation possesses maximum penetrating power ?

• (A)  X-rays
• (B)  B-rays
• (C)  γ-rays
• (D)  All have the equal penetrating powe

Answer

Submitted By :Ali Uppal

Neutron and proton are commonly known as______________?

• (A)  Nucleon
• (B)  Meson
• (C)  Boson
• (D)  Quartz

Answer

Submitted By :Ali Uppal

Antimatter consists of ______________?

• (A)  Antiproton
• (B)  Antineutron
• (C)  Positron
• (D)  All of above

Answer

Submitted By :Ali Uppal

Nuclei having the same mass number but different atomic number are____________?

• (A)  Isotopes
• (B)  Isobars
• (C)  Isotones
• (D)  Isomers

Answer

Submitted By :Ali Uppal

Mass of neutron is________________?

• (A)  1.67 x 10-31 kg
• (B)  1.67 x 10-27 kg
• (C)  9.1 x 10-31 kg
• (D)  1.67 x 10-19 kg

Answer

Submitted By :Ali Uppal

A particle having the mass of an electron and the charge of a proton is called a______________?

• (A)  Antiproton
• (B)  Positron
• (C)  Gamma rays
• (D)  Photon

Answer

Submitted By :Ali Uppal

The charge on neutron is_______________?

• (A)  Plus 1.6 x 10-19C
• (B)  Zero
• (C)  Minus 1.6 x 10-19C
• (D)  No definite charge

Answer

Submitted By :Ali Uppal

The charge on an electron was determine by ________________?

• (A)  Ampere
• (B)  Maxwell
• (C)  Millikan
• (D)  Thomson

Answer

Submitted By :Ali Uppal

Which one of the following radiations possesses maximum velocity ?

• (A)  α-rays
• (B)  β-rays
• (C)  γ-rays
• (D)  All of above have the same speed

Answer

Submitted By :Ali Uppal