Physics Questions

Q:

The capacity to do work is called

A) Pressure B) Force
C) Power D) Energy
 
Answer & Explanation Answer: D) Energy

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

1 709
Q:

If the momentum of a body is tripled, its KE will

A) become three times its original value B) remain the same
C) become six times its original value D) become nine times its original value
 
Answer & Explanation Answer: D) become nine times its original value

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

0 706
Q:

Calculate the time period (in seconds) of a sound wave of wavelength 5m travelling with a speed of 500 m/s.

 

A) 0.01 B) 2500
C) 0.02 D) 1250
 
Answer & Explanation Answer: A) 0.01

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

2 706
Q:

Calculate the current flowing through a resistor of 10 ohm when a potential difference of 140 v is applied across it.

A) 14 amp B) 140 amp
C) 1400 amp D) 1.4 amp
 
Answer & Explanation Answer: A) 14 amp

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

0 704
Q:

Which of the following Newton's laws of motion can explain why a ball thrown at a wall rebounds?

A) 1st law of motion B) 2nd law of motion
C) 3rd law of motion D) Neither of the laws
 
Answer & Explanation Answer: C) 3rd law of motion

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: AIEEE , Bank Exams

0 704
Q:

Which of the following statements is true with respect to Glucometer?

A) It is a medical device B) It is a non-medical device
C) It is used to measure oxygen level in the air D) It is used to measure nitrogen level in the air
 
Answer & Explanation Answer: A) It is a medical device

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

2 704
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

1 698
Q:

Who does not the kinetic energy of an object increase with?

A) Friction B) Time
C) Mass D) Speed
 
Answer & Explanation Answer: D) Speed

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

0 695