6
Q:

What are the particles emitted by radio active element after 3 consequtive disintegrations?

A) 2 alpha 1 beta B) 1 alpha 1 beta
C) 2 beta 1 alpha D) 2 beta 2 alpha

Answer:   C) 2 beta 1 alpha



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Subject: Physics
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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0 37
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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