Home
Class 11
PHYSICS
Estimate the average thermal energy of a...

Estimate the average thermal energy of a helium atom at (i) room temperature `(27^(@) C`, (ii) the temperature on the surface of the Sun (6000 K), (iii) the temperature of 10 million kelvin (the typical core temperature in the case of a star).

A

`1.7 xx 10^(-16)J`

B

`2.1 xx 10^(-16)J`

C

`4.3 xx 10^(-16)J`

D

`3.8 xx 10^(-16)J`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

Estimate the average thermal energy of a helium atom at (i) room temperature 27^(@)C and (ii) the temperature of the surface of the sun ( 6000K)

The average thermal energy for a mono-atomic gas is: ( k_B is Boltzmann constant and T, absolute temperature)

The temperature of the surface of the sun is about 6000K. Express this on the Fahrenheit scale.

The rms speed of helium on the surface of the sun is 6.01 km//s . Make an estimate of the surface temperature of the sun.

The linear equation that converts Fahrenheit (F) to Celsius (C ) is given by the relation, C=(5F-160)/(9) . (i) If the temperature is 86^(@) F , what is the temperature in Celsius ? (ii) If the temperature is 35^(@) C, what is the temperature in Fahrenheit ? (iii) If the temperature is 0^(@) C, what is the temperature in Fahrenheit and if the temperature is 0^(@) F, what is the temperature in Celsius ? (iv) What is the numerical value of the temperature which is same in both the scales ?

Estimate the average kinetic energy of hydrogen atoms (or molecules) at room temperature and use the result to explain why nearly all H atom sare in the ground state at room temperature and hence emit no light.

The spectral energy distribution of the sun has a maximum at 4754Å . If the temperature of the sun is 6050 K, what is the temperature of a star for which this maximum is at 9506Å ?

The coefficient of linear expansion of a rod of length 1 m, at 27^@C , is varying with temperature as alpha = 2/T unit (300 K le T le 600 K) , where T is the temperature of rod in Kelvin. The increment in the length of rod if its temperature increases from 27^@C to 327^@C is

A body having a temperature of 27^@C is kept in a room having a temperature of 27^@C . Does the body emit any radiation in this case when the room temperature is the same as body temperature ?

Name the charge carriers in the following at room temperature : (i) Conductor (ii) Intrinsic semiconductor (iii) Insulator.