Home
Class 11
PHYSICS
The wavelength lamdam=5.5 xx10^(-7) m w...

The wavelength `lamda_m=5.5 xx10^(-7) ` m when the temperature of the sun is 5500 K . If the furnace has a wavelength `lamda_m` equal to `11xx10^(-7)` m, then the temperature of the furnace is

A

1125 K

B

2750 K

C

5500 K

D

11000 K

Text Solution

Verified by Experts

The correct Answer is:
B
`lambda_(m1)T`=constant
`implies lambda_(m1)T_1=lambda_(m2)T_2`
`implies 5.5 xx 10^(-7)xx5500=11xx10^(-7)xxT_2`
`implies T_2=550xx 5=2750K`
Promotional Banner

Topper's Solved these Questions

  • TRANSMISSION OF HEAT

    ERRORLESS|Exercise NCERT BASED QUESTIONS (Radiation (Stefan.s law))|25 Videos

  • TRANSMISSION OF HEAT

    ERRORLESS|Exercise NCERT BASED QUESTIONS (Radiation (Newton.s Law of Cooling))|11 Videos

  • TRANSMISSION OF HEAT

    ERRORLESS|Exercise NCERT BASED QUESTIONS (Radiation (General,Kirchhoff.s law,Black body))|14 Videos

  • THERMOMETRY, THERMAL EXPANSION AND CALORIMETRY

    ERRORLESS|Exercise ASSERTION & REASON|10 Videos

  • UNITS, DIMENSIONS AND MEASUREMENT

    ERRORLESS|Exercise ASSERTION & REASON |17 Videos

Similar Questions

Explore conceptually related problems

The temperature of sun is 5500 K and it emits maximum intensity radiation in the yellow region (5.5 xx10^(-7)m) . The maximum radiation from a furnace occurs at wavelength 11 xx 10^(-7)m The temperature of furnace is

If at temperature T_(1) = 1000 K the wavelength is 1.4 xx 10^(-6)m then at what temperature the wavelength will be m 2.8 xx 10^(-6)m

The Young's double slit experiment the wavelength of light lamda=4xx10^(-7)m and separation between the slits is d=0.1mm . If the frintge width is 4mm then the seperation between the slits and the screen will be

If the minimum wavelength obtained in an X - ray tube is 2.5 xx 10^(-10) m , the operating potential of the tube will be

if the threshold wavelength for the given metal is 4 xx 10^(-7) m ,What is the photoelectric work function for a metal ?

At certain temperature the H^(+) ions concentration of water is 4 xx 10^(-7) M then the value of K_(w) at the same temperature is

There are three wavelengths, 10^(6)m, 10^(-10) m and 10^(-7) m find their respective names :