Questions

Q:

Who invented bluetooth?

A) Kirkpatrick Macmillan B) Benjamin Franklin
C) Dr. Jaap Haartsen D) Charles Babbage
 
Answer & Explanation Answer: C) Dr. Jaap Haartsen

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Q:

What is the technology used in a compact disc?

A) Electrical B) Laser
C) Electro magnetic D) Aeronautical
 
Answer & Explanation Answer: B) Laser

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Filed Under: Computer
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Q:

Which of the following refers to the number of pixels per inch, printed on a page?

A) Print Margin B) Resolution
C) Filter D) Colour mode
 
Answer & Explanation Answer: B) Resolution

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Q:

In terms of size, Saturn ranks no. ___ in our Solar System.

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: B) 2

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Filed Under: General Science
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Q:

Trypsin is present in which of the following?

A) Bile juice B) Gastric juice
C) Saliva D) Pancreatic juice
 
Answer & Explanation Answer: D) Pancreatic juice

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Q:

Which type of electromagnetic radiation has the longest wavelength?

A) UV rays B) Radio waves
C) X rays D) Infrared waves
 
Answer & Explanation Answer: B) Radio waves

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Filed Under: Physics
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Q:

Which of the following can neither be created nor be destroyed?

A) Velocity B) Power
C) Energy D) Momentum
 
Answer & Explanation Answer: C) Energy

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Filed Under: Physics
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Q:

A force of 20 N displaces an object through 2 m and does a work of 20 J. The angle between the force and displacement is

A) 60 deg B) 0 deg
C) 90 deg D) 30 deg
 
Answer & Explanation Answer: A) 60 deg

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Filed Under: Physics
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