# AIIMS (All India Institute of Medical Sciences) Physics: Questions 139 - 143 of 500

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## Question number: 139

Appeared in Year: 2003

MCQ▾

### Question

A capacitor of capacitance is connected in the tank circuit of an oscillator oscillating with a frequency of 1 kHz. If the current flowing in the circuit is 2 mA, the voltage across the capacitor will be – [AIIMS]

### Choices

Choice (4) Response

a.

159 V

b.

0.32 V

c.

0.16 V

d.

79.5 V

## Question number: 140

Appeared in Year: 2004

MCQ▾

### Question

A circular coil of radius R carries an electric current. The magnetic field due the coil at a point on the axis of the coil located at a distance r from the center of the coil, such that varies as – [AIIMS]

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 141

Appeared in Year: 1998

MCQ▾

### Question

What is the area of the plate of a 3F parallel plate capacitor, if the separation between the plates is 5 mm? [AIIMS]

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 142

Appeared in Year: 2004

MCQ▾

### Question

A bomb of mass 3.0 kg explodes in air into two pieces of masses 2.0 kg and 1.0 kg. The smaller mass goes at a speed of. The total energy imparted to the two fragments is – [AIIMS]

### Choices

Choice (4) Response

a.

4.8 kJ

b.

2.4 kJ

c.

1.07 kJ

d.

2.14 kJ

## Question number: 143

Appeared in Year: 2006

MCQ▾

### Question

In photoelectric effect, the electrons are ejected from metals if the incident light has a certain minimum – [AIIMS]

### Choices

Choice (4) Response

a.

Angle of incidence

b.

Wavelength

c.

Amplitude

d.

Frequency

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