Sawaal

 Physics Questions

Popular Latest Rated
Q:

Nuclear sizes are expressed in a unit named

A) Fermi B) Angstrom
C) Newton D) Tesla
 
Answer & Explanation Answer: A) Fermi

Explanation:

Nuclear sizes are expressed in a unit called "Fermi" which is a unit of length equal to 10−15 metre (one femtometre), used in nuclear physics. It is similar to the diameter of a proton.

Report Error

View Answer Report Error Discuss

Filed Under: Physics

394 52725
Q:

It is difficult to fix a nail on a freely suspended wooden frame. Which law supports this statement?

 

A) Law of inertia B) Newton's second law
C) Newton's third law D) Pascal's law
 
Answer & Explanation Answer: C) Newton's third law

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

19 52602
Q:

A plane mirror produces a magnification of

 

 

A) 0 B) +1
C) Infinity D) -1
 
Answer & Explanation Answer: B) +1

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: AIEEE , Bank Exams

3 52300
Q:

Calculate the pressure (in Pa) if a thrust of 1000 N is applied to an area of 5 sq.m.

 

A) 200 B) 50
C) 100 D) 25
 
Answer & Explanation Answer: A) 200

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

1 50727
Q:

Which of the following is a bad conductor of heat?

 

A) Wood  B) Diamond
C) Water  D) Mica
 
Answer & Explanation Answer: A) Wood 

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

0 49405
Q:

What is the heat released by a heating filament rated 20 W when it is kept on for 2 seconds?

 

A) 40 B) 10
C) 80 D) 20
 
Answer & Explanation Answer: A) 40

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

1 48966
Q:

The speed of light will be minimum while passing through

A) water B) vaccum
C) air D) glass
 
Answer & Explanation Answer: D) glass

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics

473 47215
Q:

Which instrument is used to measure humidity?

 

A) Pyrometer B) Hydrometer
C) Hygrometer D) Calorimeter
 
Answer & Explanation Answer: C) Hygrometer

Explanation:

Hygrometer is used for measuring humidity of air.

 

 

 

 

Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

0 45888