Everyday Science MCQs

Correct answer B. Electrons

Correct answer D. All of the above

Correct answer D. Chain reaction

Correct answer A. Half-life

Correct answer D. ²³⁸U (Z = 92)

Correct answer C. Nuclear energy

Correct answer B. 3.70 × 10¹⁰ disintegrations per second

Correct answer C. 222 and 86

Correct answer A. Greater

Correct answer D. Isotopes

Correct answer A. Isobars

Correct answer C. 1.67 × 10⁻²⁷ kg

Correct answer A. Positron

Correct answer B. Zero

Correct answer B. Millikan

Correct answer C. γ-rays

Correct answer D. Cadmium rods

Correct answer A. Binding energy per nucleon

Correct answer D. N = N₀e^(-λt)

Correct answer C. 10⁻¹⁰ m