- (A) X-rays
- (B) B-rays
- (C) γ-rays
- (D) All have the equal penetrating powe
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- (A) Nucleon
- (B) Meson
- (C) Boson
- (D) Quartz
- (A) Antiproton
- (B) Antineutron
- (C) Positron
- (D) All of above
- (A) Isotopes
- (B) Isobars
- (C) Isotones
- (D) Isomers
- (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
- (A) Antiproton
- (B) Positron
- (C) Gamma rays
- (D) Photon
- (A) Plus 1.6 x 10-19C
- (B) Zero
- (C) Minus 1.6 x 10-19C
- (D) No definite charge
- (A) Ampere
- (B) Maxwell
- (C) Millikan
- (D) Thomson
- (A) α-rays
- (B) β-rays
- (C) γ-rays
- (D) All of above have the same speed
- (A) Iron rods
- (B) Graphite rods
- (C) Cadmium rods
- (D) Platinum rods
