Physics Questions

Q:

Soap bubble attains spherical shape due to ______.

A) inertia B) pressure
C) surface tension D) Viscosity
 
Answer & Explanation Answer: C) surface tension

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Filed Under: Physics
Exam Prep: Bank Exams

1 1891
Q:

1kWh = ?

A) 3.6 x 105 J B) 3.6 x 106 J
C) 3.6 x 10-5 J D) 3.6 x 10-6 J
 
Answer & Explanation Answer: B) 3.6 x 106 J

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Exam Prep: AIEEE , Bank Exams

1 1884
Q:

At what temperature (in degree celsius), the numerical values on Celsius and Fahrenheit scales become equal?

A) –40 B) 40
C) 273 D) -273
 
Answer & Explanation Answer: A) –40

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2 1884
Q:

Nautical miles is a unit of distance used in

A) Navigation B) Road mile
C) Astronomy D) Measuring the boundaries of a nation
 
Answer & Explanation Answer: A) Navigation

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1 1874
Q:

Momentum is measured as the product of :

A) Mass and inertia B) Mass and force
C) Mass and velocity D) Mass and acceleration
 
Answer & Explanation Answer: C) Mass and velocity

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3 1872
Q:

Find the power of a convex lens if the image formed is at a distance of 10 cm from the lens when the object is placed on the other side of the lens at 40 cm from the optical centre?

A) 12.5 diopters B) 7.5 diopters
C) -12.5 diopters D) -7.5 diopters
 
Answer & Explanation Answer: A) 12.5 diopters

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Exam Prep: Bank Exams , CAT

0 1872
Q:

Which one among the following components is used as an amplifying device?

A) Transformer B) Diode
C) Capacitor D) Transistor
 
Answer & Explanation Answer: D) Transistor

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1 1868
Q:

Which motion has magnitude of static frictional force directly proportional to normal reaction?

A) Impending motion B) Actual motion
C) Both 1 and 2 D) None of the above
 
Answer & Explanation Answer: A) Impending motion

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1 1868