264
Q:

Which of the following is not a vector quantity?

A) speed B) velocity
C) torque D) displacement

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.

Subject: Physics
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Q:

Identify the unit of measuring intensity of sound.

 

A) Decibels B) Knots
C) Candela D) Ampere
 
Answer & Explanation Answer: A) Decibels

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Q:

Which instrument is used to measure blood pressure?

 

A) Sphygmomanometer B) Lactometer
C) Thermometer D) Glucometer
 
Answer & Explanation Answer: A) Sphygmomanometer

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0 32
Q:

The term ______ is prefixed to scientific terms to describe something that is constant.

 

A) Photo B) Iso
C) Mega D) Quasi
 
Answer & Explanation Answer: B) Iso

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0 117
Q:

1 horsepower = approximately _____ watts.

 

A) 746 B) 764
C) 647 D) 674
 
Answer & Explanation Answer: A) 746

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3 188
Q:

Which law of physics states that the force between the two electric charges reduces to a quarter of its former value when the distance between them is doubled?

 

A) Coulomb’s Law B) Stefan's Law
C) Pascal's Law D) Hooke's Law
 
Answer & Explanation Answer: A) Coulomb’s Law

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0 285
Q:

What is the unit of measure of a magnetic field?

A) Cobalt B) Ohm
C) Tesla D) Ampere
 
Answer & Explanation Answer: C) Tesla

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3 234
Q:

_______ expansion makes the Eiffel Tower taller during summers.

 

A) Thermal   B) Chemical  
C) Gravitational   D) Gradient  
 
Answer & Explanation Answer: A) Thermal  

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3 1500
Q:

Georg Simon Ohm in whose honour we have the famous Ohm’s Law, hailed from which country?

 

A) Russia B) Spain
C) Poland D) Germany
 
Answer & Explanation Answer: D) Germany

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