Sawaal
  • Home/
  • Searching for u

 Searching for "u"

Q:

Why does the sea appear blue in colour?

A) Reflection of the sun light from water surface B) Interference of the sun light from water surface
C) Scattering of the sunlight by water molecules D) refraction of the sun light
 
Answer & Explanation Answer: C) Scattering of the sunlight by water molecules

Explanation:

Sea appears blue in colour due to the scattering of the rays when they hit water molecules

Report Error

View Answer Report Error Discuss

Filed Under: Physics

Q:

Who is the author of the book PrisonDairy?

A) Amitav Ghosh B) Jay Prakash Narayan
C) Kapil Dev D) Mala Sen
 
Answer & Explanation Answer: B) Jay Prakash Narayan

Explanation:

Prison dairy is recollection of JP’s thought during his incarceration . 

Report Error

View Answer Report Error Discuss

Filed Under: Books and Authors

Q:

How many of the following will follow JavaBean Listener naming rules?

addListener

addMouseListener

deleteMouseListener

removeMouseListener

registerMouseListener

 

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

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Java

Q:

A UNIX user named Bob wants to replace his chess program with a new one, but he is not sure where the old one is installed. Bob is currently able to run a Java chess program starting from his home directory /home/bob using the command: java -classpath /test:/home/bob/downloads/*.jar games.Chess Bob's CLASSPATH is set (at login time) to: /usr/lib:/home/bob/classes:/opt/java/lib:/opt/java/lib/*.jar What is a possible location for the Chess.class file?

 

A) /test/Chess.class B) /home/bob/Chess.class
C) /test/games/Chess.class D) /user/lib/games/Chess.class
 
Answer & Explanation Answer: D) /user/lib/games/Chess.class

Explanation:

/user/lib/games/Chess.class could be the possible location of the file

Report Error

View Answer Report Error Discuss

Filed Under: Operating Systems

Q:

What is the structure of IF7 ?

A) Triagonal bipyramid B) Pentagonal bipyramid
C) Square pyramid D) tetrahedral
 
Answer & Explanation Answer: B) Pentagonal bipyramid

Explanation:

In IF7 out of 7 Flourine atoms 5 of them are placed on a plane in Pentagon shape .In remaining 2 flourines one is placed above the plane and other below the plane each at 90 degrees

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry

Q:

Number of moles of CO2 present in 24 grams of carbon is

A) 0.5 B) 1
C) 2 D) 0.25
 
Answer & Explanation Answer: C) 2

Explanation:

1 mole of CO2 contain 12gms of carbon and 44 gms of CO2

therefore  24 gms of carbon is present in 88 gms of CO2 or 2 moles of CO2

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry

Q:

Number of moles of solute present in 1 litre of solution is

A) Normality B) Molarity
C) Molality D) Formality
 
Answer & Explanation Answer: B) Molarity

Explanation:

Moles of solute present in 1 litre or 1000ml of solution is called molarity

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry

Q:

Who is the author of the book "Adventures of the sherlock holmes"?

A) Harisen B) Arther Conon Doyle
C) Nirod C. Choudhary D) G. B. Shaw
 
Answer & Explanation Answer: B) Arther Conon Doyle

Explanation:

Arther Conon Dole is the author of Adventures of Sheerlock holmes.This book is related to the murder mysteries that are solved by Sherlock holmes

Report Error

View Answer Report Error Discuss

Filed Under: Books and Authors