AIIMS (All India Institute of Medical Sciences) Physics: Questions 445 - 450 of 500

Access detailed explanations (illustrated with images and videos) to 500 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Unlimited Access for Unlimited Time! View Sample Explanation or View Features.

Rs. 350.00 or

How to register?

Question number: 445

» Magnetic Effects of Current and Magnetism » Hysteresis

Edit
MCQ▾

Question

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

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 446

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

Edit

Appeared in Year: 1995

MCQ▾

Question

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

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 447

» X - Rays » Moseley's Law

Edit

Appeared in Year: 2001

MCQ▾

Question

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

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 448

» Dual Nature of Matter and Radiation » Photoelectric Effect

Edit

Appeared in Year: 2007

MCQ▾

Question

Monochromatic light of frequency is produced by a laser. The power emitted is . The number of photons emitted, on the average, by the source per second is: [AIPMT]

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 449

» Dual Nature of Matter and Radiation » Photoelectric Effect

Edit
MCQ▾

Question

What will be the wavelength of incident photon, if the threshold wavelength of a metal is and photo electrons have kinetic energy maximum

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 450

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

Edit
MCQ▾

Question

An particle moves in circular path of radius in the presence of a magnetic field of . Find the De – Broglie wavelength associated with the particle.

Choices

Choice (4)Response

a.

b.

c.

d.

Developed by: