KVPY Stream-SA (Class 11) Physics: Questions 226 - 230 of 252

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Question number: 226

» Electrostatics » Electric Potential

MCQ▾

Question

8 identical water drops, carrying equal charge q and having the same potential V, merge together. The potential of the new water drop is –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 227

» Wave Optics » Interference

MCQ▾

Question

In a Young’s experiment, the interference pattern is found to have an intensity ratio between the bright and dark fringes as 16. The intensity ratio of the two interfering light waves is –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 228

» Properties of Solids & Liquids » Heat Transfer » Convection

MCQ▾

Question

275 g of ice is mixed with 175 g of water at temperature 900C. The latent heat of ice is 80 cal/g and the specific heat of water is 1 cal/g-0C. Assuming no heat loss to the environment, the amount of ice which does not melt is:

Choices

Choice (4) Response

a.

0

b.

78.13 g

c.

52.36 g

d.

94.35 g

Question number: 229

» Kinetic Theory of Gases » Equation of State of a Perfect Gas

MCQ▾

Question

If for a gas Equation , The atomicity of the gas is-

Choices

Choice (4) Response

a.

Monoatomic

b.

Cannot determine

c.

Triatomic

d.

Diatomic

Question number: 230

» Thermodynamics » Laws of Thermodynamics » First Law of Thermodynamics

MCQ▾

Question

If two moles of oxygen is heated from 240 C to 300 C at constant volume, its internal energy changes by 480 J. The molar specific heat of oxygen at constant volume is,

Choices

Choice (4) Response

a.

10 J K-1mol-1

b.

40 J K-1 mol-1

c.

5 J K-1 mol-1

d.

20 J K-1 mol-1

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