10 লিটার ধারণ ক্ষমতার একটি ফ্লাস্ক 27^(@)C থেকে 327^(@)C পর্যন্ত উত্তপ্ত হয়। মোলের অনুপাত...

The specturm of a black body at two temperatures 27^(@)C and 327^(@)C is show in the Fig. 7(e).20 . Let A_(1) and A_(2) be the respective areas tunder the two curved. Estimate the ratio A_(2)//A_(1) .

A flask of capacity 10 litre containing air is heated from 27^(@)C " to " 327^(@)C . The ratio of mole of air present at 27^(@)C to mole present at 327^(@)C is ____________.

The temperature of an ideal gas is increased from 27^(@)C to 327^(@)C . If the r.m.s. speed of its molecules at 27^(@)C is 200m//s , then the new r.m.s. speed at 600^(@)K will be

Attempt any THREE : Compare the rates of loss of heat by a black body at 627^(@)C and 327^(@)C , if tempreature of surrounding is 27^(@)C .

The spectrum of a black body at two temperatures 27^(@)C and 327^(@)C is shown in the figure. Let A_(1) and A_(2) be the areas under the two curves respectively. Find the value of (A_(2))/(A_(1))

Ammonia under a pressure of 15 atm , at 27^(@)C is heated to 327^(@)C in a vessel in the pressure of catalyst. Under these conditions, NH_(3) partially decomposes to H_(2) and N_(2) . The vessel is such that the volume remains effectively constant, whereas the pressure increases to 50 atm . Calculate the precentage of NH_(3) actually decomposed.

If the temperature of a black body be increased from 27^(@)C to 327^(@)C the radiation emitted increases by a fraction of

In a closed vessel an ideal gas at 1 atm is heated from 27^(@) C "to" 327^(@)C . The pressure of gas will approximately be

A black body initially at 27^(@)C is heated to 327^(@)C is heated to 327^(@)C . How many times is total heat emitted at the higher temperature than emitted at lower temperature ? What is the wavelength of the maximum energy radiation at the higher temperature ? Wien's constant = 2.898 xx 10^(-3) mK .