Question

Which physical quantities do the following unit represent 1)dioptre 2)kelvin

Answer 1

Answer:

Kelvin is used for measuring temperature

1 kelvin =273 degree celcius

Answer 2

Dioptre, Power of a lens

Kelvin, Temperature

Explanation:

In this case, we need to say that the following quantities show the following units.

(1) Dioptre : It is the SI unit of the power of any lens. It is measured in Dioptre. The relation between focal length and power is given by :

$P=\dfrac{1}{f(m)}$

$f(m)$ shows focal length is in meters.

(2) Kelvin : It is the SI unit of temperature. It is one of the scale in which the temperature of a body is measured. The conversion from Kelvin to Celsius is as follows :

$T_k=T_c+273.15$

Here,

$T_k$ is temperature in kelvin

$T_c$ is temperature in Celsius

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