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Showing posts with label physics. Show all posts
Showing posts with label physics. Show all posts
Wednesday, 22 June 2022
Friday, 6 May 2022
The units of Impulse are same as that of
(a) Energy
(b) Linear momentum
(c) Velocity
(d) Power.
RIGHT ANSWER IS
(b) Linear momentum
Rules for writing units
1) The symbol of a unit, which is not named after a person, is written in lower letter (small letter).
Eg: metre (m) kilogram (kg)
2) The symbol of a unit, which is named after a person, is written with a capital initial letter.
Eg: newton (N), kelvin (K)
3) Full name of a unit, even if it is named after a person is written with a lower initial letter.
Eg: newton, kelvin.
4) A compound unit formed by multiplication of two or more units is written after putting a dot or leaving a space between the two symbols.
Eg: newton metre — N.m or N m.
5) A unit in its short form is never written in plural.
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The force on a charged particle in a uniform magnetic field always acts in a direction perpendicular to the motion of the charge. Since work...
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(a) Force x Mass (b) Force x Time (c) Force x Velocity (d) Force x Distance. THE RIGHT ANSWER IS (b) Force x Time
