Physics, asked by samznair2035, 6 months ago

Write any supplimentary quantity and it's unit

Answers

Answered by Dynamo07860
0

Answer:

  • acceleration metre per second squared m/s2
  • angular acceleration radian per second squared rad/s
Answered by Anonymous
11

Answer:

The international system of units (St system of units) The international system of units (abbreviated as SI, from the French system international (d' unites) is the modern form of the metric system and is the most widely used system of measurement.

The SI is based on the following seven fundamental units and two supplementary units as listed in the table.

Fundamental quantities and their units

Sr.No

Name of a physical quantity

Symbol of quantity

SI unit

Symbol of unit

1

Length

L

Meter

M

2

Mass

M

Kilogram

Kg

3

Time

T or T

Second

S

4

Temperature

T or θ

Kelvin

K

5

Current

I

Ampere

A

6

Amount substance

N

Mole

Mol

7

Intensity light (Luminious intensity)

Iv

Candela

Cd

Supplementary quantities and their units

S.No

Supplementary physical quantity

Unit

Symbol used

1

Plane angle

Radian

Rad

2

Solid angle

Steradian

Sr

The above seven basic and two supplementary units are found to be sufficient to obtain the units of physical quantities from all branches of physics.

(ii) In addition to the fundamental units and the supplementary units, there are a large number of derived units on this system. Some of the derived units are listed in table.

Supplementary Units: Definitions

1. Radian: One radian is the angle subtended at the centre of a circle by an arc equal in length to the radius of the circle.

Plane angl

2. Steradian: One steradian is the solid angle subtended at the centre of a sphere, by that surface which is equal in area to the square of the radius of the sphere.

If dA=r

2

then dω=1steradian in case of complete surface area, the cubic angle subtended by it

Ω=

r

2

4πr

2

=4π steradian.

Explanation:

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