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Q:

The forces between two bodies are always equal and opposite. This idea is stated in the form of Newton's

A) first and second law of motion B) first law of motion
C) third law of motion D) second law of motion
 
Answer & Explanation Answer: C) third law of motion

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Q:

What does Coulomb's Law state?

A) The magnitude of the force of attraction (or repulsion) between two point charges is inversely proportional to the product of quantity of the two charges as well as to the square of the distance between them.   B) The magnitude of the force of attraction (or repulsion) between two point charges is directly proportional to the product of the quantity of the two charges and inversely proportional to the square of the distance between them.  
C) The magnitude of the force of attraction (or repulsion) between two point charges is directly proportional to the product of the quantity of the two charges and directly proportional to the square of the distance between them. D) The magnitude of the force of attraction (or repulsion) between two point charges is directly proportional to the product of the quantity of the two charges and to the square of the distance between them.
 
Answer & Explanation Answer: B) The magnitude of the force of attraction (or repulsion) between two point charges is directly proportional to the product of the quantity of the two charges and inversely proportional to the square of the distance between them.  

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Q:

To pinpoint a Criminal, Forensic Department uses the technique called?

A) DNA Editing B) DNA Splicing
C) DNA Fingerprinting D) DNA Amplification
 
Answer & Explanation Answer: C) DNA Fingerprinting

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Q:

What happens to the Potential and Kinetic energies of a body as it falls down from a height?

A) Its Potential energy decreases while its Kinetic energy increases B) There is no change in its Potential or Kinetic energy
C) Its Potential and Kinetic energies decrease D) Its Potential energy increases while its Kinetic energy decreases
 
Answer & Explanation Answer: A) Its Potential energy decreases while its Kinetic energy increases

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Q:

In a longitudinal wave, the distance between two consecutive compressions and two consecutive refractions is called

A) Matter B) Wavelength
C) Magnitude D) Energy
 
Answer & Explanation Answer: B) Wavelength

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Q:

Which of the following is not a renewable source of energy?

A) Solar B) Wind
C) Ocean waves D) Coal
 
Answer & Explanation Answer: D) Coal

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Q:

What is the amount of work done when a body moves under a force of 1 N at a distance of 1 meter in the direction of the force?

A) 1 Joule B) 0.01 Joules
C) 100 Joules D) 10 Joules
 
Answer & Explanation Answer: A) 1 Joule

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Q:

Objects float on water based on ___.

A) Newton's third law of motion B) Hooke's law
C) Faraday's law D) Archimedes principle
 
Answer & Explanation Answer: D) Archimedes principle

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