NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1468 - 1472 of 2184

Access detailed explanations (illustrated with images and videos) to 2184 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.

Rs. 550.00 or

How to register?

Question number: 1468

» Kinetic Theory of Gases » Kinetic Energy and Temperature

Edit
MCQ▾

Question

A gas in container A is in thermal equilibrium with another gas in container B, both contain equal masses of the two gases in the respective containers. Which of the following can be true?

(1) ,

(2)

(3) ,

(4)

Select the correct answers and mark it according to the following codes:

Choices

Choice (4) Response

a.

1 and 3 are correct

b.

1 and 2 are correct

c.

1,2 and 3 are correct

d.

2 and 4 are correct

Question number: 1469

» Kinetic Theory of Gases » Kinetic Energy and Temperature

Edit
MCQ▾

Question

The root mean square velocity of a gas molecule of mass m at a given temperature is proportional to

Choices

Choice (4) Response

a.

2

b.

c.

d.

Question number: 1470

» Atoms and Nuclei » Mass-Energy Relation

Edit
MCQ▾

Question

If mass equivalent to one mass of electron is completely converted into energy then determine the energy liberated.

Choices

Choice (4) Response

a.

0.51 MeV

b.

2.12 MeV

c.

1.51 MeV

d.

3.12 MeV

Question number: 1471

» Thermodynamics » Concept of Temperature

Edit
MCQ▾

Question

Eight moles of an ideal gas performs a cycle shown in figure. If the temperature T A = 1200 K, T B = 1600 K, T c = 4400 K and T D = 2400 K, the work done per

System of ideal gas – Trapezoid ABCD

System of Ideal Gas – Trapezoid ABCD

In above figure six moles of an ideal gas performs a cycle are shown.

Choices

Choice (4) Response

a.

160 KJ

b.

106 kJ

c.

139 kJ

d.

120 kJ

Question number: 1472

» Thermodynamics » Concept of Temperature

Edit
MCQ▾

Question

A Carnot engine whose low temperature reservoir is at 7 C has an efficiency of 50%. It is desired to increase the efficiency to 70%. By how many degrees should the temperature of the high temperature reservoir be increased?

Choices

Choice (4) Response

a.

560 K

b.

280 K

c.

840K

d.

380K