NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1364 - 1366 of 2320

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Question number: 1364

» Thermodynamics » Concept of Temperature

Edit
Assertion-Reason▾

Question

Assertion (Ꭺ)

The specific heat of a gas in an adiabatic process is zero and in an isothermal process is infinite.

Reason (Ꭱ)

Specific heat of a gas is directly proportional to change of heat in system and inversely proportional change in temperature.

Choices

Choice (4)Response

a.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

b.

Ꭺ is true but Ꭱ is false

c.

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

d.

Both Ꭺ and Ꭱ are false

Question number: 1365

» Atoms and Nuclei » Hydrogen Spectrum

Edit
Assertion-Reason▾

Question

Assertion (Ꭺ)

Hydrogen atom consists of only one electron but its emission spectrum has many lines.

Reason (Ꭱ)

Only Lyman series is found in the absorption spectrum of hydrogen atom whereas in the emission spectrum, all the series are found.

Choices

Choice (4)Response

a.

Ꭺ is true but Ꭱ is 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.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

Question number: 1366

» Wave Optics » Young's Double Slit Experiment

Edit
MCQ▾

Question

The Young’s double slit experiment, the ratio of intensities of bright and dark fringes is 9. This means that

(1) The intensities of individual sources are 5 and 4 units respectively

(2) The intensities of individual sources are 4 and 1 units respectively

(3) The ratio of the their amplitudes is 3

(4) The ratio of their amplitude is 2

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

Codes:

Choices

Choice (4)Response

a.

1,2 and 3 are correct

b.

2 and 4 are correct

c.

1 and 2 are correct

d.

1 and 3 are correct

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