मराठी
महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

At What Temperature Will the Susceptibility of Magnesium Increase

Advertisements
Advertisements

प्रश्न

The susceptibility of magnesium at 300 K is 2.4 x 10-5. At what temperature will the susceptibility increase to 3.6 x 10-5?

Advertisements

उत्तर

T1=300K

x1=2.4x10-5

x2=3.6x10-5

T2=?

xT=costant

∴x1T1=x2T2

`:.T_2=(x_1T_1)/x_2`

`=(2.4xx10^-5xx300)/(3.6xx10^-5)`

T2 = 200K

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
2013-2014 (March)

APPEARS IN

संबंधित प्रश्‍न

Define emissive power and coefficient of emmision of a body.


A body cools from 62°C to 54°C in 10 minutes and to 48°C in the next 10 minutes. Find the temperature of the surroundings.


The susceptibility of magnesium at 300K is 1.2 x 10-5. At what temperature will the susceptibility increase to 1.8 X 10-5?


Does the temperature of a body depend on the frame from which it is observed?


Why do marine animals live deep inside a lake when the surface of the lake freezes?


Which of the curves in the following figure represents the relation between Celsius and Fahrenheit temperatures?


Which of the following pairs may give equal numerical values of the temperature of a body?


An aluminium sphere is dipped into water at 10°C. If the temperature is increased, the force of buoyancy


A spinning wheel is brought in contact with an identical wheel spinning at identical speed. The wheels slow down under the action of friction. Which of the following energies of the first wheel decreases?

(a) Kinetic
(b) Total
(c) Mechanical
(d) Internal


Is heat a conserved quantity?


A spinning wheel A is brought in contact with another wheel B, initially at rest. Because of the friction at contact, the second wheel also starts spinning. Which of the following energies of the wheel B increases?
(a) Kinetic
(b) Total
(c) Mechanical
(d) Internal


In a calorimeter, the heat given by the hot object is assumed to be equal to the heat taken by the cold object. Does it mean that heat of the two objects taken together remains constant?


Water equivalent of a body is measured in ___________ .


When a hot liquid is mixed with a cold liquid, the temperature of the mixture ____________ .


Which of the following pairs of physical quantities may be represented in the same unit?


Two bodies at different temperatures are mixed in a calorimeter. Which of the following quantities remains conserved?


The temperature of a solid object is observed to be constant during a period. In this period

(a) heat may have been supplied to the body

(b) heat may have been extracted from the body

(c) no heat is supplied to the body

(d) no heat is extracted from the body


Heat and work are equivalent. This means, ____________ .


A metre scale made of steel is calibrated at 20°C to give correct reading. Find the distance between the 50 cm mark and the 51 cm mark if the scale is used at 10°C. Coefficient of linear expansion of steel is 1.1 × 10–5 °C–1.


Define one mole.


Two objects are said to be in thermal contact if they can exchange heat energy.


Temperature in the form of energy.


Analogy

Evaporation:: 100°C: Freezing:: ______.


Give reasons for the following:

Hot metal ball of 80° C is dipped into water of 80°C. The ball will not contract.


An earthen pitcher loses 1 gm of water per minute due to evaporation. If the water equivalent of the pitcher is 0.5 kg and the pitcher contains 9.5 kg of water, calculate the time required for the water in a pitcher to cool to 28°C from the original temperature of 30°C. Neglect radiation effects. The latent heat of vaporization in this range of temperature is 580 Cal/gm and the specific heat of water is 1 Cal/gm°C.


Heat given to a body that raises its temperature by 1°C is ______.


What is the SI unit of heat?


1 calorie is equal to how many joules?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×