NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1300 - 1303 of 2184

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Question number: 1300

» Thermodynamics » Concept of Temperature

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MCQ▾

Question

For an adiabatic expansion of a perfect gas, the value of is equal to

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1301

» Wave Optics » Diffraction Due to a Single Slit Width of Central Maximum

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Question

In Fresnel’s biprism experiment distance of m th bright fringe from zeroth order fringe will be –

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Choice (4) Response

a.

b.

c.

d.

Question number: 1302

» Properties of Solids & Liquids » Heat Transfer » Conduction

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Question

Two rods (one semi-circular and other straight) of same material and of same cross-sectional area are joined as shown in the figure. The points A and B are maintained at different temperature. The ratio of the heat transferred through a cross-section of a semi-circular rod to the heat transferred through a cross section of the straight rod in a given time is

Semicircle and straight rod AB

Semicircle and Straight Rod AB

In above figure we shows that two rods of same material are joint.

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Choice (4) Response

a.

b.

c.

d.

Question number: 1303

» Wave Optics » Wavefront

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MCQ▾

Question

Red light of wavelength 6500 Å from a distant source falls on a slit 0.5 mm wide. What is the distance between two dark bands on each side of central bright band of diffraction pattern observed on a screen placed 1.8 m from the slit?

Choices

Choice (4) Response

a.

4.68 × 10 -3 nm

b.

4.68 × 10 -3 cm

c.

4.68 × 10 -3 m

d.

4.68 ×10 -3 mm