Mass of alpha particle is
A) 50 times the mass of electron
B) 100 times the mass of electron
C) 500 times the mass of electron
D) 1000 times the mass of electron
Correct Answer:
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Q14: Type of rays that affect the nucleus
Q15: Force that acts on both quarks and
Q16: Particles that experience strong force are
A)leptons
B)hadrons
C)both A
Q17: Heavy nuclei have
A)more protons than neutrons
B)more electrons
Q18: A decay in which a proton decays
Q19: Photon of electromagnetic radiation is
A)α ray
B)β ray
C)γ
Q21: Particle which explains about mass of matter
Q22: Plum pudding model describes atom as
A)negative pudding
Q23: Lepton among them are
A)electrons
B)neutrinos
C)protons
D)both A and B
Q24: Density of proton is equal to density
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