Sawaal
392
Q:

Nuclear sizes are expressed in a unit named

A) Fermi B) Angstrom
C) Newton D) Tesla

Answer:   A) Fermi



Explanation:

Nuclear sizes are expressed in a unit called "Fermi" which is a unit of length equal to 10−15 metre (one femtometre), used in nuclear physics. It is similar to the diameter of a proton.

Subject: Physics
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An object, starting from rest, moves with constant acceleration of 4 m/s2. After 8 s, its speed is

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A body is initially moving with a velocity of 10 m/s. It undergoes an acceleration of 2 m/s2 for 5 seconds. Find the displacement (in m) of this body in these 5 seconds.

 

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