# AIIMS (All India Institute of Medical Sciences) Physics: Questions 476 - 481 of 500

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## Question number: 476

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MCQ▾

### Question

If the wavelength of light is , then the number of waves in length will be –

### Choices

Choice (4)Response

a.

10000

b.

2000

c.

3000

d.

1000

## Question number: 477

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Appeared in Year: 2004

MCQ▾

### Question

A charged oil drop is suspended in a uniform field of so that it neither falls nor rises. The charge on the drop will be –

(Take the mass of the charge and ) (AIEEE)

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 478

Edit

Appeared in Year: 1987

MCQ▾

### Question

In a LCR series circuit, , and the total impedance of the circuit is: [RPET]

### Choices

Choice (4)Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

## Question number: 479

Edit
MCQ▾

### Question

A current of flows through two long parallel wires. The magnetic force on each wire is If their currents makes doubled and separation between them makes of initial value then magnetic force per unit length of each wire becomes –

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 480

Edit
MCQ▾

### Question

The current through a wire depends on time as . Calculate the charge crossed through a cross section of the wire in .

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 481

Edit

Appeared in Year: 2001

MCQ▾

### Question

A cube of metal is given a charge , which of the following statements is true: [MP PET]

### Choices

Choice (4)Response

a.

Potential at the surface of cube is zero

b.

Electric field varies within the cube

c.

Potential within the cube is zero

d.

Electric field is normal to the surface of the cube

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