Sawaal

 Physics Questions

Popular Latest Rated
Q:

____________________is a measure of the actual amount of water vapour in a particular sample of air: measured as a partial pressure.

A) Specific Humidity B) Absolute Humidity
C) Relative Humidity D) Dew Point
 
Answer & Explanation Answer: B) Absolute Humidity

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

1 1393
Q:

At boiling point of liquids , its

A) Temperature increases B) Atmospheric pressure increases
C) Temperature remains constant D) Vapour pressure decreases
 
Answer & Explanation Answer: C) Temperature remains constant

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

0 1392
Q:

What does the slope of a velocity time graph represent?

A) Acceleration B) Distance
C) Speed D) Momentum
 
Answer & Explanation Answer: A) Acceleration

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics

0 1391
Q:

Optical fiber works on the principle of -

A) Diffusion B) Total Internal Reflection
C) Scattering D) Refraction
 
Answer & Explanation Answer: B) Total Internal Reflection

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

0 1390
Q:

When a ray of light travels from a denser medium to a rarer medium, it bends

A) towards the normal and speeds up B) towards the normal and slows down
C) away from the normal and speeds up D) away from the normal and slows down
 
Answer & Explanation Answer: C) away from the normal and speeds up

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams , CAT

1 1388
Q:

The reflection formed by the plane mirror is ________________.

A) vertical inversion B) a real image
C) lateral inversion D) an enlarged image
 
Answer & Explanation Answer: C) lateral inversion

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

0 1387
Q:

The work done by centripetal force is ______.

A) positive B) zero
C) negative D) unity
 
Answer & Explanation Answer: B) zero

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

0 1387
Q:

The force of friction between two surfaces will increase if:

A) a layer of lubricant is kept between the two surfaces B) the two surfaces are pressed harder
C) air gap is created between the two surfaces D) irregularities on both the surfaces are removed
 
Answer & Explanation Answer: B) the two surfaces are pressed harder

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

0 1386