Sawaal

 Physics Questions

Popular Latest Rated
Q:

What is refractive index ?

A) it is defined as the ratio of speed of light in the medium to the speed of light in vacuum. B) it is defined as the product of speed of light in medium and in vacuum.
C) it is defined as the ratio of speed of light in vacuum to the speed of light in the medium . D) None of above
 
Answer & Explanation Answer: C) it is defined as the ratio of speed of light in vacuum to the speed of light in the medium .

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics

3 4532
Q:

The composition of electrician solder is

A) lead-37%, tin-63% B) Iron-37%, tin-63%
C) lead-37%, Steel-63% D) Steel-37%, copper-63%
 
Answer & Explanation Answer: A) lead-37%, tin-63%

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

6 4497
Q:

Which of the following group of elements are diamagnetic ?

A) Argon, copper, silver B) Hydrogen, argon, copper
C) Oxygen, copper, silver D) Hydrogen, oxygen, Argon
 
Answer & Explanation Answer: A) Argon, copper, silver

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: AIEEE

10 4432
Q:

Learned indian classical vocalists do not like the accompaniment of a harmonium because 

A) tempered scale is used in the harmonium B) diatonic scale is used in the harmonium
C) notes of the harmonium are too shrill D) intensity of the notes of the harmonium is too large
 
Answer & Explanation Answer: A) tempered scale is used in the harmonium

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics

7 4380
Q:

In case of uniform circular motion, the acceleration is

A) Variable in magnitude but constant in direction B) Constant in magnitude and directed radially inwards
C) Variable in magnitude but tangential to the circle D) Zero
 
Answer & Explanation Answer: A) Variable in magnitude but constant in direction

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics

4 4372
Q:

The electrical domestic tube light gives white fluorescent light because of

A) colision between molecules of filled gas under electric current B) heavy current
C) vacuum inside the tube D) falling of ultra violet rays on the white inner coating of the tube
 
Answer & Explanation Answer: D) falling of ultra violet rays on the white inner coating of the tube

Explanation:

The ultraviolet rays have high frequency and shorter wavelength are converted to visible white light with lower frequency and greater wave length

Report Error

View Answer Report Error Discuss

Filed Under: Physics

2 4360
Q:

Max well is the unit of

A) intensity of magnetization B) permeability
C) magnetic flux D) magnetic susceptibility
 
Answer & Explanation Answer: C) magnetic flux

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics

2 4322
Q:

An object with a constant speed

A) is not accelerated B) might be accelerated
C) is always accelerated D) also has a constant velocity
 
Answer & Explanation Answer: B) might be accelerated

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics

10 4293