AIIMS (All India Institute of Medical Sciences) Physics: Questions 444 - 447 of 500

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Question number: 444

» Electromagnetic Induction & Alternating Currents » Induced EMF and Current

Appeared in Year: 1995

MCQ▾

Question

Dimension of a rectangular coil is Equation . Number of turns in coil is 60. It is rotating about its one of the diameter in an uniform magnetic field of Equation , with the speed 1800 r. p. m. the maximum induced emf is – [RPMT]

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

113 V

Question number: 445

» Magnetic Effects of Current and Magnetism » Hysteresis

MCQ▾

Question

The mass of a specimen of a ferromagnetic material is Equation and its density is Equation . If the area of hysteresis loop of alternating magnetizing field of frequency Equation is Equation units then the hysteresis loss per second will be –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 446

» Dual Nature of Matter and Radiation » De-Broglie Relation

Appeared in Year: 1995

MCQ▾

Question

The accelerating voltage of an electron gun is Equation . De-Broglie wavelength of the electron will be – [RPMT]

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 447

» X - Rays » Moseley's Law

Appeared in Year: 2001

MCQ▾

Question

The inter-planer distance in a crystal is Equation . The value of maximum wavelength which can be diffracted – [AIPMT]

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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