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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