Express a pressure of `2xx10^(5)` pascal in units of
(i) bar (ii) dyne `cm^(-2)` and (iii) millibar

A pressure of 10^(6)" dyne"//cm^(2) is equivalent to :

Express each of the following as a fraction in simplest form : (i) 0.bar(5) (ii) 1.bar(4) (iii) 0.bar(15)

An area of cross-section of rubber string is 2 cm^(2) . It length is doubled when stretched with a linear force of 2 xx 10^(5) dynes. The Young's modulus of the rubber in "dyne/cm"^(2) will be

Express standard atmospheric pressure in (i) Nm^(-2) (ii) bars and (iii) torr.

Express the value of following quantities in their SI units. (i) Power of electric lamp =2xx10^(9)"erg"s^(-1) (ii) Surface tension of water = 72 dyne cm^(-1) (iii) Stefan's constant =5.67xx10^(-5) "erg"s^(-1) cm^(-2)K^(-4) .

At a pressure of 24 xx 10^(5) dyne cm^(-2) . The volume of O_(2) is 10 litre and mass is 20 g . The rms velocity will be

At a pressure of 24xx10^(5) dyne/ cm^(2) , the volume of N_(2) is 5litre and mass is 20gm. The 'rms' velocity will be (in m/sec)

In Boyle's law calculations, the pressure of the gas or applied pressure should be expressed in (i) pascal ,(ii) atmosphere (iii) bar ,(iv) torr