# AIIMS (All India Institute of Medical Sciences) Physics: Questions 455 - 460 of 500

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## Question number: 455

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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

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MCQ▾

### Question

The De – Broglie wavelength of neutron of energy is –

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 457

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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

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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

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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.

## Question number: 460

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Appeared in Year: 2004

MCQ▾

### Question

The half – life of radium is about 1600 years. Of 100 g of radium existing now, 25 g will remain un – decayed after – [AIPMT]

### Choices

Choice (4)Response

a.

6400 years

b.

3200 years

c.

4800 years

d.

2400 years

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