TNPSC Physics Previous Year Question Papers - 2
Question: 6
When a body is thrown upwards, its velocity
(A) attains maximum value
(B) remains constant
(C) Decreases
(D) Increases
Ans: C
Decreases
Question: 7
Rusting of iron is
(A) Dehydration
(B) Oxidation
(C) Reduction
(D) Displacement
Ans: B
Oxidation
Question: 8
Rusting of iron requires
(A) Nitrogen
(B) Oxygen and water
(C) Oxygen
(D) Water
Ans: B
Oxygen and water
Question: 9
In simple machines, the mechanical advantage is equal to
(A) Load/power
(B) Power/load
(C) Load x power
(D) None of these
Ans: A
Load/power
Question: 10
Electron is
(A) Present in the nucleus
(B) Sub-atomic particle
(C) Positively charged
(D) Neutral
Ans: B
Sub-atomic particle
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