# NEET Physics: Questions 1645 - 1650 of 2142

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## Question number: 1645

MCQ▾

### Question

At zero Kelvin a piece of germanium

### Choices

Choice (4) Response

a.

Becomes bad conductor

b.

Becomes good conductor

c.

has maximum conductivity

d.

Becomes semiconductor

## Question number: 1646

MCQ▾

### Question

The amplitude of a particle executing SHM is 5.5 cm. At the mean position the speed of the particle is 20 cm/s. The distance of the particle from the mean position at which the speed of the particle becomes , will be

### Choices

Choice (4) Response

a.

b.

c.

2 cm

d.

5.46 cm

## Question number: 1647

MCQ▾

### Question

When a semiconductor is heated, its resistance

### Choices

Choice (4) Response

a.

Increases

b.

Decreases

c.

Nothing is definite

d.

Remains unchanged

## Question number: 1648

MCQ▾

### Question

A chimpanzee swinging on a swing in a sitting position, stands up suddenly, the time period will

### Choices

Choice (4) Response

a.

Remain same

b.

Decrease

c.

Become infinite

d.

Increase

## Question number: 1649

» Oscillations and Waves » Simple Harmonic Motion » Oscillations of a Spring

MCQ▾

### Question

Three masses 700g, 500g, and 400g are suspended at the end of a spring are in equilibrium. When the 700g mass is removed, the system oscillates with a period of 3 seconds, when the 500 gm mass is also removed; it will oscillate with a period of,

### Choices

Choice (4) Response

a.

2 s

b.

s

c.

1 s

d.

3 s

## Question number: 1650

MCQ▾

### Question

The maximum velocity and the maximum acceleration of a body moving in a simple harmonic oscillator are 2 m/s and 6 m/s 2. Then angular velocity will be

### Choices

Choice (4) Response

a.

b.

c.

d.

f Page