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Q:

Which one of the following laws directly expalins the law of coservation of mass

A) Hund's rule B) Dalton's law
C) Avogadro's law D) Berzelius hypothesis
 
Answer & Explanation Answer: C) Avogadro's law

Explanation:
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Filed Under: Chemistry

Q:

Whcih one is the compound in the following

A) mercury B) ozone
C) air D) ammonia
 
Answer & Explanation Answer: C) air

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Filed Under: Chemistry

Q:

Which of the following is a vector quantity

A) momentum B) pressure
C) Energy D) work
 
Answer & Explanation Answer: A) momentum

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Filed Under: Physics

Q:

Which of the following is not a vector quantity?

A) speed B) velocity
C) torque D) displacement
 
Answer & Explanation Answer: A) speed

Explanation:

Which_of_the_following_is_not_a_vector_quantity1552385336.png image

A vector quantity is a quantity which has both magnitude and direction. Here in the given options, speed is a scalar quantity but not the vector quantity.

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Filed Under: Physics
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Q:

Which of the following is a scalar quantity

A) electric current B) electric field
C) Acceleration D) linear momentum
 
Answer & Explanation Answer: A) electric current

Explanation:

A Scalar quantity is a quantity that has only magnitude but no direction as like vector. 

Here in the given options, electric current is the only one which is scalar.

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Filed Under: Physics
Exam Prep: AIEEE , Bank Exams , CAT
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Q:

Which of the following is a scalar quantity

A) Displacement B) Electric field
C) Acceleration D) work
 
Answer & Explanation Answer: D) work

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Filed Under: Physics

Q:

Which one of the following groups have quantities that do not have the same dimensions

A) pressure, stress B) velocity, speed
C) force, impulse D) work, energy
 
Answer & Explanation Answer: C) force, impulse

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Filed Under: Physics

Q:

which of the following physical quantity is dimensionless

A) angle B) strain
C) specific gravity D) all of these
 
Answer & Explanation Answer: D) all of these

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Filed Under: Physics