Physics Questions

Q:

When a compressed slinky is released it converts potential energy into

A) Heat energy B) Mechanical energy
C) Chemical energy D) Kinetic energy
 
Answer & Explanation Answer: D) Kinetic energy

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

1 1035
Q:

Find the power of a convex lens if the image formed is at a distance of 20 cm from the lens when the object is placed on the other side of the lens at 25 cm from the optical centre?

A) 1 diopters B) -9 diopters
C) 9 diopters D) -1 diopters
 
Answer & Explanation Answer: C) 9 diopters

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

1 1034
Q:

When we see an object, the image formed on the retina is ________

A) Real and inverted B) Real and erect
C) Virtual and erect D) Virtual and inverted
 
Answer & Explanation Answer: A) Real and inverted

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

0 1033
Q:

The boiling point of liquids vary as

A)  pressure varies B)  temperature varies
C)  volume varies D) density varies
 
Answer & Explanation Answer: A)  pressure varies

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

0 1032
Q:

_________________ is a measure of the moisture in air.

A) Density B) Viscosity
C) Impurity D) Humidity
 
Answer & Explanation Answer: D) Humidity

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

2 1031
Q:

What is the unit of calorific value?

A) kN/kg B) kJ/kg
C) kW/sec D) kCal/sec
 
Answer & Explanation Answer: B) kJ/kg

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

0 1030
Q:

Terminal velocity ________.

A) first increases before decreasing B) is constant
C) first decreases before increasing D) always keeps on increasing
 
Answer & Explanation Answer: B) is constant

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

0 1030
Q:

Addition of suitable impurities into semiconductor, is called

A) Doping B) Mixing
C) Forming D) Diluting
 
Answer & Explanation Answer: A) Doping

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics

0 1024