Questions

Q:

Magnetism in materials is due to

A) Displacement of electrons B) Circular motion of electrons
C) Charges of neutrons D) All of the above
 
Answer & Explanation Answer: B) Circular motion of electrons

Explanation:

Magnetism in materials is due to circular motion of electrons.

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Q:

Instrument for measuring work performed is called _________.

A) Eudiometer B) Anemometer
C) Hyetometer D) Ergometer
 
Answer & Explanation Answer: D) Ergometer

Explanation:
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Q:

Which measurement describes the pressure of a gas?

A) 450 mm Hg B) 315 K
C) 251 g/cub.cm D) None of the above
 
Answer & Explanation Answer: A) 450 mm Hg

Explanation:

450 mm Hg denotes the air pressure.

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Q:

Which alphabet is a question?

A) X B) B
C) C D) Y
 
Answer & Explanation Answer: D) Y

Explanation:

The alphabet 'Y' resembles same as the questioning word WHY in sounding.

 

Hence,  alphabet Y is a question.

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Q:

Amur, one of the longest rivers in the world is in 

A) Africa B) South America
C) Asia D) Europe
 
Answer & Explanation Answer: C) Asia

Explanation:

The river flows through south eastern parts of former USSR close to the china border and drains into sea of Okhotsk. It is 4510 Km long

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Q:

Most of the oxygen transported by the blood is

A) bound to hemoglobin B) dissolved in plasma
C) dissolved in water D) in ionic form as solute in plasma
 
Answer & Explanation Answer: A) bound to hemoglobin

Explanation:

Oxygen is transported throughout the body via hemoglobin in the red blood cells. Hence, most of the oxygen transported by the blood is bounded to hemoglobin.

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Q:

When a constant force acts on an object with a mass of 8 kg for a duration of 3 s. it increases the object's velocity from 4 m/s to 6 m/s . What is the magnitude of the applied force?

A) 5.33 N B) 4.33 N
C) 6.33 N D) 3.33 N
 
Answer & Explanation Answer: A) 5.33 N

Explanation:
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Q:

Core of earth is also known as

A) Barysphere B) Centrosphere
C) Besosphere D) Lithosphere
 
Answer & Explanation Answer: A) Barysphere

Explanation:

Core of earth is also known as Barysphere.

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