NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1391 - 1395 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: 1391

» Atoms and Nuclei » Energy Levels

Edit
MCQ▾

Question

In nature there may not be an element for which the principal quantum number 4, then the total possible number of electrons will be,

Choices

Choice (4) Response

a.

64

b.

32

c.

4

d.

60

Question number: 1392

» Thermodynamics » Thermal Equilibrium

Edit
Assertion-Reason▾

Question

Assertion (Ꭺ)

In adiabatic compression, the internal energy and temperature of the system get increased.

Reason (Ꭱ)

The adiabatic compression is a slow process.

Choices

Choice (4) Response

a.

Ꭺ is true but Ꭱ is false

b.

Ꭺ is false but Ꭱ is true

c.

Both Ꭺ and Ꭱ are false

d.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

Question number: 1393

» Properties of Solids & Liquids » Young's Modulus

Edit
MCQ▾

Question

A stress of 2 kg/mm 2 is applied on a wire. If the modulus of elasticity of the wire is 10 10 dyne/cm 2, then the percentage increase in the length of the wire will be

Choices

Choice (4) Response

a.

0.0196

b.

0.0028

c.

0.0098

d.

0.007

Question number: 1394

» Properties of Solids & Liquids » Elastic Behavior

Edit
Assertion-Reason▾

Question

Assertion (Ꭺ)

The bridges declared unsafe after a long use.

Reason (Ꭱ)

Elastic strength of bridges losses with time.

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are false

b.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

c.

Ꭺ is false but Ꭱ is true

d.

Ꭺ is true but Ꭱ is false

Question number: 1395

» Properties of Solids & Liquids » Thermal Expansion

Edit
MCQ▾

Question

The temperature of equal masses of three different liquids A, B and C are 12°C, 19 0 C and 28°C respectively. The temperature when A and B are mixed is 16°C and who and C are mixed is 23 0 C. The temperature when A and C are mixed is

Choices

Choice (4) Response

a.

20.2°C

b.

25.2°C

c.

18.2°C

d.

22°C