AIIMS (All India Institute of Medical Sciences) Physics: Questions 454 - 459 of 500

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Question number: 454

» Atoms and Nuclei » Half Life and Mean Life

Appeared in Year: 2002

MCQ▾

Question

A sample of radioactive element is containing active nuclei. Half life of element is 10 days, then number of decayed nuclei after 30 days –

[AIPMT]

Choices

Choice (4) Response

a.

2 x 1015

b.

3.5 x 1015

c.

0.5 x 1015

d.

1 x 1015

Question number: 455

» Electrostatics » Electric Potential

MCQ▾

Question

Calculated the kinetic energy of a point charge of at . This charge is initially at rest at the origin. And a uniform electric field of is in direction.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 456

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

MCQ▾

Question

The De – Broglie wavelength of neutron of energy is –

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 457

» Dual Nature of Matter and Radiation » Particle Nature of Light

MCQ▾

Question

If the work function of a metal is and the wavelength of incident photon is , than what is the maximum kinetic energy of photo electrons?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 458

» Wave Optics » Young's Double Slit Experiment

Appeared in Year: 2007

MCQ▾

Question

In Young’s double slit experiment when wavelength of is used then fringe width of is obtained. If wavelength of is used then what is the fringe width? [RPMT]

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 459

» Magnetic Effects of Current and Magnetism » Magnetic Susceptibility and Permeability

MCQ▾

Question

A rod of magnetic material having cross section is putting in magnetizing field. Magneticflux passes through the rod is . Then magnetic susceptibility and magnetization of the road is, respectively –

Choices

Choice (4) Response

a.

b.

c.

d.

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