SSC Government Jobs Exams General Ability General Knowledge

A neutral atom (atomic no. > 1) consists of -
(a) Only protons
(b) neutrons + protons
(c) Neutrons + electrons
(d) Neutron + proton + electron

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(d)Neutron+proton+electron
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SSC Other Question

A simple pendulum is made of body which is a
hollow sphere containing mercury suspended by
means of a wire. If a little mercury is drained off,
the period of the pendulum will–
(a) remain unchanged (b) increase
(c) decrease (d) become erratic The nucleus of the atom consists of -
(a) Proton and neutron
(b) proton and electron
(c) Neutron and electron
(d) Proton, neutron and electron