Physics Questions

Q:

If the kinetic energy of a body becomes 256 times its initial value, then the new linear momentum will be

A) 8 times the initial value B) 16 times the initial value
C) the same as the initial value D) 32 times the initial value
 
Answer & Explanation Answer: B) 16 times the initial value

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

0 1029
Q:

Which among the following determines the pitch of a sound?

A) Amplitude B) Frequency
C) Loudness D) Wavelength
 
Answer & Explanation Answer: B) Frequency

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

3 1028
Q:

If a body moves with a uniform speed in a circular motion, then______.

A) its acceleration is increasing B) its acceleration is zero
C) its velocity is changing D) its velocity is uniform
 
Answer & Explanation Answer: C) its velocity is changing

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

0 1028
Q:

The focal length of a concave mirror with a radius of curvature of 20.0 cm is :

A) 20 cm B) 5 cm
C) 10 cm D) 15 cm
 
Answer & Explanation Answer: C) 10 cm

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

0 1023
Q:

If an object is thrown upwards, what will be its velocity, when it reaches its maximum height?

A) 0 m/s B) 4.9 m/s
C) 14.7 m/s D) 20 m/s
 
Answer & Explanation Answer: A) 0 m/s

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

1 1023
Q:

If the angle of incidence formed on a concave mirror at a point is 30 deg then the angle of reflection will be

A) 15 deg B) 30 deg
C) 60 deg D) 90 deg
 
Answer & Explanation Answer: B) 30 deg

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

0 1023
Q:

If speed of rotation of the earth increases, the weight of the body

A) decreases B)
C) D)
 
Answer & Explanation Answer: A) decreases

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

0 1022
Q:

The SI unit of acceleration is __________.

A) ms-1 B) ms-2
C) ms2 D) m/s
 
Answer & Explanation Answer: B) ms-2

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

0 1021