SZABMU MDCAT 2024 PAPER PART – 4 1. The relative permittivity of iron is in: NOTE: THIS QUESTION WAS CANCELLED ACCORDING TO KEY Hundreds Zero Tens Thousands 2. According to quantum theory the radiation must appear in the form of: Neutrons Electrons Protons Photons 3. Gamma radiations are emitted due to: Excitation of atom De excitation of atom Excitation of nucleus De excitation of nucleus 4. 2H4 represents: α- rays β- rays δ- rays γ- rays 5. The half-life of iodine – 31 is: 60 days 8 days 10 days 45 days 6. The relationship between the decay constant λ and the half-life T 1/2 is: λ= T 1/2 x 0.693 T = 1/2 / 0.693 T 1/2 = λ / 0.693 T 1/2 = 0.693/λ 7. Skin burn, loss of hair, drop in white blood cell and induction of cancer are example of _____ radiation: Zener effect Somatic effect Biological effect Genetic effect 8. Leptons are the group of particles which are: More rnassive than heaviest hydrons More massive than the lightest hydrons Less massive than the lightest hydrons Less massive than the heaviest hydrons 9. A meson consist of a: Quark and an antiquarks Anti-quarks Only quarks Quarks and hydrons 10. Geiger Muller Counter’s wire is maintained at: Positive 10,000 V Negative 10,000 V Negative 1000 V Positive 1000 V Loading … Pages: 1 2 3 4 5 6
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