Physics – MCQs Helper

Q:

The equation of continuity is derived from…

A) Law of conservation of energy
B) law of conservation of momentum
C) law of conservation of mass
D) law of conservation of charge

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Q:

2π rad/s is approximately equal to…

A) 30 revolutions
B) 40 revolutions
C) 50 revolutions
D) 60 revolutions

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Q:

The area of a book having length 1m and breadth of 0.5m, in cm3 is given by…

A) 5000
B) 5
C) 500
D) 50

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Q:

What happens to the half life of a radioactive substance as it decays?…

A) It remains constant
B) it increases
C) it decreases
D) it could do any of these

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Q:

Volt/Ampere Farad, expected dimensions is…

A) M° L° T¹ A-²
B) M¹ L¹ T² A+²
C) Mº L° T¹ A²
D) None

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