NEET Physics: Questions 1299 - 1302 of 2142

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Question number: 1299

» Thermodynamics » Concept of Temperature

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 1300

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

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 1301

» Properties of Solids & Liquids » Heat Transfer » Conduction

MCQ▾

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.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 1302

» Wave Optics » Wavefront

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 mm

b.

4.68 × 10 -3 nm

c.

4.68 × 10 -3 cm

d.

4.68 × 10 -3 m

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