# AIIMS (All India Institute of Medical Sciences) Physics: Questions 271 - 276 of 500

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## Question number: 271

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MCQ▾

### Question

A standing wave having 4 nodes and 3 antinodes is formed between distances then the wavelength is –

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 272

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MCQ▾

### Question

Three capacitors of capacitance are connected in series to a voltage source of 200V. The charge on is –

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 273

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MCQ▾

### Question

A bomb of mass 5.0 kg explodes in air into two pieces of masses 2.0 kg and 3.0 kg. The smaller mass goes at a speed of . The total energy imparted to the two fragments is –

### Choices

Choice (4)Response

a.

48 kJ

b.

12 kJ

c.

36 kJ

d.

24 kJ

## Question number: 274

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MCQ▾

### Question

If equation of a sound wave is then its wavelength will be –

### Choices

Choice (4)Response

a.

0.5 unit

b.

0.05 unit

c.

0.09 unit

d.

1 unit

## Question number: 275

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Appeared in Year: 2004

Assertion-Reason▾

### Assertion (Ꭺ)

In a transistor the base is made thin.

### Reason (Ꭱ)

Thin base makes the transistor stable.

### Choices

Choice (4)Response

a.

Ꭺ is true but Ꭱ is false

b.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

c.

Ꭺ is false but Ꭱ is true

d.

Both Ꭺ and Ꭱ are false

## Question number: 276

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MCQ▾

### Question

Two parallel large thin metal sheets have equal surface charge densities of opposite signs. The electric field between these sheets is –

### Choices

Choice (4)Response

a.

b.

c.

d.

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