Sawaal

 Physics Questions

Popular Latest Rated
Q:

The speed of light in vacuum is estimated as ___ meters/second.

A) 3.00 x 108 B) 3.10 x 108
C) 3.12 x 108 D) 3.15 x 108
 
Answer & Explanation Answer: A) 3.00 x 108

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: AIEEE , Bank Exams

1 533
Q:

To pinpoint a Criminal, Forensic Department uses the technique called?

A) DNA Editing B) DNA Splicing
C) DNA Fingerprinting D) DNA Amplification
 
Answer & Explanation Answer: C) DNA Fingerprinting

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

3 527
Q:

A good cricket fielder while catching a fast moving ball moves his hand along with the ball because ___.

A) He decreases the time of contact therefore increasing the force of contact B) He increases the time of contact thereby reducing the force of contact
C) He is afraid to take the ball and thus takes his hand out. D) He decreases the time of contact therefore reducing the force of contact
 
Answer & Explanation Answer: B) He increases the time of contact thereby reducing the force of contact

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

0 524
Q:

A particle experiences constant acceleration for 20 s after starting from rest. If it travels a distance X1, in the first 10 s and distance X2 in the remaining 10 s, then which of the following is true?

 

A) X2 = 2X1 B) X1 = 3X2
C) X2 = X1 D) X2 = 3X1
 
Answer & Explanation Answer: D) X2 = 3X1

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: AIEEE , Bank Exams

1 523
Q:

What is the principal focus of a spherical mirror?

A) It is a point from which the rays of light appear to be coming from on the principal axis of a convex mirror B) It is the point on the principal axis through which rays of light parallel to the principal axis pass after reflection or appear to be arising from this point on the principal axis
C) It is the centre of a hollow sphere of which the spherical mirror is a part D) It is the midpoint of a spherical mirror
 
Answer & Explanation Answer: B) It is the point on the principal axis through which rays of light parallel to the principal axis pass after reflection or appear to be arising from this point on the principal axis

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: AIEEE , Bank Exams

1 520
Q:

One horse power is

A) 68 watts B) 746 watts
C) 786 watts D) 764 watts
 
Answer & Explanation Answer: B) 746 watts

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: AIEEE , Bank Exams

1 517
Q:

____ is used in periscope.

A) Plane mirror B) Prism
C) Concave lens D) Convex lens
 
Answer & Explanation Answer: A) Plane mirror

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

1 511
Q:

This is NOT a use of a concave mirror?

A) As rear view mirrors B) In torches
C) As shaving mirrors D) In headlights
 
Answer & Explanation Answer: A) As rear view mirrors

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

3 510