Q:

What is the Centre of Curvature of a spherical mirror?

A) It is the centre of a hollow sphere of which the spherical mirror is a part	B) It is the midpoint of a spherical mirror
C) It is the point on the principal axis through which rays of light parallel to the principal axis pass after reflection	D) It is a point from which the rays of light appear to be coming from on the principal axis of a convex mirror

Answer & Explanation Answer: A) It is the centre of a hollow sphere of which the spherical mirror is a part

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Filed Under: Physics
Exam Prep: Bank Exams

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Q:

Which of the following elements was the last element in Newland's Law of Octaves?

A) Thorium	B) Hydrogen
C) Rubidium	D) Bromine

Answer & Explanation Answer: A) Thorium

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Filed Under: Chemistry
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Q:

Kind of cell that does not have a nucleus

A) Eukaryotes	B) Prokaryotes
C) Erthrocytes	D) Platelets

Answer & Explanation Answer: B) Prokaryotes

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams

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Q:

Price elasticity of demand is generally

A) tends to be smaller in the short run than in the long run.	B) tends to be smaller in the long run than in the short run.
C) tends to be unrelated to the length of time.	D) tends to be larger in the short run than in the long run.

Answer & Explanation Answer: A) tends to be smaller in the short run than in the long run.

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Filed Under: Indian Economy
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Q:

Ice floats on water because its density is

A) more than water	B) zero
C) less than water	D) same as water

Answer & Explanation Answer: C) less than water

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Q:

Which of the following metals reacts vigorously with cold water?

A) Potassium	B) Aluminium
C) Zinc	D) Iron

Answer & Explanation Answer: A) Potassium

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Filed Under: Chemistry
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Q:

Which of the following causes damage to bridges, iron railings and all objects made of metals?

A) Reduction	B) Rancidity
C) Acidity	D) Corrosion

Answer & Explanation Answer: D) Corrosion

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Filed Under: Chemistry
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Q:

Which of the following is the most common kidney stone-forming compound?

A) Calcium oxalate	B) Magnesium oxide
C) Sodium bicarbonate	D) Magnesium citrate

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