Physics Questions

Q:

Find the resistance (in mega Ω) of a wire of length 10 m, cross sectional area 1 cm2 and made of a material of resistivity 100 Ωm.

 

A) 1000   B) 20  
C)  500   D) 10
 
Answer & Explanation Answer: D) 10

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

1 651
Q:

A unit of power is called a

A) Joule B) Pascal
C) Newton D) Watt
 
Answer & Explanation Answer: B) Pascal

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: AIEEE , Bank Exams

1 650
Q:

Blocking in experimental design is useful because it

A) keeps the experimenter from knowing which subjects are in the treatment group. B) prevents response bias from entering into the experiment.
C) gives the quarterback enough time to throw the ball. D) controls for multiple variables in an experiment.
 
Answer & Explanation Answer: D) controls for multiple variables in an experiment.

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

0 650
Q:

Energy possessed by an object by its position or configuration is called

A) Kinetic energy B) Nuclear energy
C) Potential energy D) Electrical energy
 
Answer & Explanation Answer: C) Potential energy

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

0 649
Q:

The unit of power used in industry is

A) Joule B) Watts
C) Horse power D) Kilowatts
 
Answer & Explanation Answer: C) Horse power

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

1 648
Q:

Sound CANNOT travel through

A) Air B) Vacuum
C) Liquid D) Solid
 
Answer & Explanation Answer: B) Vacuum

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

1 648
Q:

What does the kinetic energy (KE) of a moving body depend upon?

A) Mass & its position B) Weight & its position
C) Mass & acceleration D) Mass & velocity
 
Answer & Explanation Answer: D) Mass & velocity

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

0 648
Q:

In a concave mirror when the object is placed at infinity which of the following applies to the image?

A) Real, inverted, highly enlarged image at center of curvature (C) B) Real, inverted image of the same size at centre of curvature (C)
C) Real, inverted, diminished image between centre of curvature (C) and principal focus (F) D) Real, inverted, highly diminished image at focus
 
Answer & Explanation Answer: D) Real, inverted, highly diminished image at focus

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: AIEEE , Bank Exams

1 648