Sawaal

 General Science Questions

Popular Latest Rated
Q:

The blue colour of the clear sky is due to

A) Diffraction of light B) Dispersion of light
C) Reflection of light D) Refraction of light
 
Answer & Explanation Answer: B) Dispersion of light

Explanation:

A clear cloudless day-time sky is blue because molecules in the air dissipate blue light from the sun more than they dissipate red light. When we look towards the sun at sunset, we see red and orange hues on the grounds because the blue light has been scattered out and away from the line of sight.

Report Error

View Answer Report Error Discuss

Filed Under: General Science
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank PO

441 63565
Q:

Which one of the following types of waves are used in a night vision apparatus?

A) Radio waves B) Microwaves
C) Infra-red waves D) None of the above
 
Answer & Explanation Answer: C) Infra-red waves

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: General Science

399 60520
Q:

As you go down into a well, your weight

A) increases slightly B) decreases slightly
C) remains exactly the same D) None of the above
 
Answer & Explanation Answer: B) decreases slightly

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: General Science

312 52511
Q:

The weight of an object will be minimum when it is placed at  ?

A) The North Pole B) The South Pole
C) The Equator D) The center of the Earth
 
Answer & Explanation Answer: D) The center of the Earth

Explanation:

The weight of an object is minimum when it is placed at the center of the earth because when an object is in the center, it experiences gravitational pull from all directions.

Report Error

View Answer Report Error Discuss

Filed Under: General Science
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Bank PO

224 42691
Q:

What does airbag, used for safety of car driver, contain?

A) Sodium bicarbonate B) Sodium azide
C) Sodium nitrite D) Sodium peroxide
 
Answer & Explanation Answer: B) Sodium azide

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: General Science

201 21525
Q:

In fireworks, the green flame is produced because of

A) Sodium B) Potassium
C) Barium D) Mercury
 
Answer & Explanation Answer: C) Barium

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: General Science

198 35186
Q:

Which of the following is used in pencils?

A) Silicon B) Phosphorous
C) Graphite D) Charcoal
 
Answer & Explanation Answer: C) Graphite

Explanation:

A pencil is an implement for writing or drawing. It is a thin core of graphite well mixed with clay, inside a wooden body as protective casing that prevents the core from being broken.

Which_of_the_following_is_used_in_pencils1558506948.jpg image

 

 

 

 

 

 

Report Error

View Answer Report Error Discuss

Filed Under: General Science
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

173 47010
Q:

Potassium Permanganate is used for purifying drinking water, because

A) it is a sterilising agent B) it dissolves the impurities of water
C) it is a reducing agent D) it is an oxidising agent
 
Answer & Explanation Answer: D) it is an oxidising agent

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: General Science

149 18179