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11th Physics Unit Wise Question Paper. We covered all the 11th Physics Unit Wise Question Paper in this post for free so that you can practice well for the exam.
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11th Physics Objective Questions for Students
To raise the temperature of 2 moles of an ideal gas from 30°C to 35°C at constant pressure, 70 cal of Heat is needed. How much Heat in calories is required to achieve the same temperature rise at constant volume (R = 8.31 J/mol·K)?
a) 30
b) 50
c) 70
d) 90
Option b – 50
For an ideal gas, why is the Heat capacity at constant pressure greater than at constant volume?
a) work is done on the gas by external pressure
b) work is done against intermolecular forces
c) work is done by the gas against external pressure
d) More collisions occur per unit time when volume is constant
Option c – work is done by the gas against external pressure
The specific Heat of a substance can be expressed as C₁ in cal/g·°C or C₂ in cal/g·°F. Which of the following is correct?
a) C₁ = C₂
b) C₁ > C₂
c) C₁ < C₂
d) C₁ and C₂ cannot be compared
Option b – C₁ > C₂
Oxygen has a molar specific Heat of 7.03 cal/mol·°C at constant pressure (R = 8.31 J/mol·K). How much Heat will 5 moles absorb when heated at constant volume from 10°C to 20°C?
a) 25 cal
b) 50 cal
c) 250 cal
d) 500 cal
Option c – 250 cal
A gas has a difference between its specific heats of 4150 J/kg·K. If the ratio of specific heats is 1.4, what is its specific Heat at constant volume?
a) 8475 J/kg·K
b) 5186 J/kg·K
c) 1660 J/kg·K
d) 10375 J/kg·K
Option d – 10375 J/kg·K
We covered all the 11th Physics unit wise question paper above in this post for free so that you can practice well for the exam.
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Also, check out:
- Class 11 Physics Objective Questions in Hindi
- Bihar Board Class 11 Physics Question Paper
- India Physical Environment Class 11 NCERT Solutions
