Definition of fundamental units, Physics

Assignment Help:

(i) Meter: The presently accepted definition of meter is the length of path travelled by light in space in 1/299,792,458th second.

(ii) Kilogram: Kilogram is the fundamental unit of volume. It is explained as the mass of a particular cylinder of platinum - iridium kept at the International Bureau of Weights and Measures in Paris.

(iii) Second: Second is the fundamental unit of time. It is explained as 86,400th part of seem solar day. Second is accurately measured by an atomic clock.

 


Related Discussions:- Definition of fundamental units

What is potential difference, A pith ball weighing 3.0 x 10 -2 N carries a ...

A pith ball weighing 3.0 x 10 -2 N carries a charge of -1.0 x 10 -6 C. The pith ball is placed among two large, parallel, metal plates that are divided by 0.050 m. What is

Evaluate the spring constant of the spring, A small ball with a mass of 60....

A small ball with a mass of 60.0 g is loaded into a spring gun, compressing the spring by 12.0 cm. When the trigger is pressed the ball emerges horizontally from the barrel ata hei

The electric field strength is zero, a)  A positive point test charge q 0  ...

a)  A positive point test charge q 0  is placed at the midpoint p among the two equal positive charges q. What forces acts on it at or near this point p?   b)  Two charges 1X10 -

Calculate outlet mole fraction, An air stream is saturated with a vapor (B)...

An air stream is saturated with a vapor (B) at 130°F and 1 atm pressure.  It is cooled down to 80°F where some of the B is condensed and separated from the vapor stream.  The remai

Physics, what do you understand about phsics

what do you understand about phsics

Newton's law of gravitation, Newton's Law of Gravitation In 1687, Newto...

Newton's Law of Gravitation In 1687, Newton did not "discover" gravity but he did figure out that gravity is universal. It makes a ball fall when you drop it on earth. It also

Find the lowest frequency for which destructive interference, Find the lowe...

Find the lowest frequency for which destructive interference Two loudspeakers, A and B, are driven by the same amplifier and emit sinusoidal waves in phase. Speaker B is 2.00 m

Moment of solid sphere about axis, Q. Moment of Solid Sphere About Axis? ...

Q. Moment of Solid Sphere About Axis? The instant of enertia for a homogeneous solid sphere about an axis can be found by integrating spherical shells by integrating disks or b

State the principle of working of p-n diode as a rectifier, State the princ...

State the principle of working of p-n diode as a rectifier. Describe, with the help of a circuit diagram, the use of p-n diode as a full wave rectifier. Illustrate a sketch of the

Scalar and vector, example of problems of vector and scalar with solution

example of problems of vector and scalar with solution

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd