# KVPY (Kishore Vaigyanik Protsahan Yojana) Stream-SA (Class 11) Physics: Questions 189 - 193 of 253

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## Question number: 189

MCQ▾

### Question

The current in 2Ω resistance in the circuit show below is,

### Choices

Choice (4) Response

a.

0.33 A

b.

0.45 A

c.

0.5 A

d.

1 A

## Question number: 190

MCQ▾

### Question

When a capacitor is connected to a battery,

### Choices

Choice (4) Response

a.

There is no flow of current

b.

The current keeps on increasing, reaching a maximum value until the capacitor is fully charged.

c.

A varying current keeps on flowing in the circuit

d.

Initially a current flow in the circuit and then decreases to zero

## Question number: 191

MCQ▾

### Question

A rocket is fired upward from the earth’s surface such that it creates an acceleration of 21.7 m s-2. If after 10 s, its engine is switched off, the maximum height of the rocket from earth’s surface would be-

### Choices

Choice (4) Response

a.

3490 m

b.

2435.5 m

c.

2450 m

d.

3487.5 m

## Question number: 192

MCQ▾

### Question

In a concave mirror, an object is placed at a distance 25 cm from the focus and its image is formed at a distance 4 cm from the focus. The focal length of the mirror is,

### Choices

Choice (4) Response

a.

15 cm

b.

20 cm

c.

10 cm

d.

5 cm

## Question number: 193

MCQ▾

### Question

What will the value of R in the following electric circuit?

### Choices

Choice (4) Response

a.

3 Ω

b.

1 Ω

c.

2 Ω

d.

4 Ω

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