12th Physics Study Material English Medium. We covered all the 12th Physics Study Material English Medium in this post for free so that you can practice well for the exam.
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12th Physics Study Material MCQs for Students
A person of mass 70 kg wants to lose 5 kg by going up and down 10 m high stairs. He burns twice as much fat while going up than coming down. If 1 kg is burnt on expending 7000 kilocalories, the number of times he must go up and down to reduce his weight by 4 kg is
(A) 1000
(B) 5600
(C) 22400
(D) 11200
Option d – 11200
In changing the state of a gas adiabatically from an equilibrium state A to another equilibrium state B an amount of work equal to 22.3 J is done on the system. If the gas is taken from state A to B via a process in which the net heat absorbed by the system is 9.35 cal then the net work done by the system in the latter case is (Take 1 cal = 4.2 J)
(A) 15 J
(B) 16 J
(C) 17 J
(C) 18 J
Option c – 17 J
If R is the universal gas constant, the amount of heat needed to raise the temperature of 2 moles of an ideal monoatomic gas from 273 K to 373 K when no work is done is
(A) 100R
(B) 150R
(C) 300R
(C) 500R
Option c – 300R
We covered all the 12th physics study material english medium above in this post for free so that you can practice well for the exam.
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Also, check out:
- Pradeep Physics Class 12 Volume 1
- UP Board Class 12 Physics Chapter 1
- Physics Class 12 Chapter 4 in Hindi