# NEET Physics: Questions 201 - 206 of 2098

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## Passage

Velocity at a general point P (x, y) for a horizontal projectile motion is given by

V = =

α is angle made by v with horizontal in clockwise direction Trajectory equation for a horizontal projectile motion is given by x = v x t = ut

y =- ( ) gt 2

Eliminating t, We get y =-

## Question number: 201 (2 of 3 Based on Passage) Show Passage

MCQ▾

### Question

A ball rolls off top of a stair way with a horizontal velocity u m/s. If the steps are h m high and b meters wide, the ball will just hit the edge of nth step if n equals to

### Choices

Choice (4) Response

a.

b.

c.

d.

Both c. and a. are correct

## Question number: 202 (3 of 3 Based on Passage) Show Passage

MCQ▾

### Question

An aeroplane is in a level flying at an speed of 144 km/hr at an altitude of 1000 m. How far horizontally from a given target should a bomb be released from it to hit the target?

### Choices

Choice (4) Response

a.

471.34 m

b.

671.43 m

c.

371.34 m

d.

571.43 m

## Question number: 203

MCQ▾

### Question

A particle completes 1.5 revolutions in a circular path of radius 2 cm. The angular displacement of the particle will be - (in radian)

### Choices

Choice (4) Response

a.

2 π

b.

6 π

c.

π

d.

3 π

## Question number: 204

MCQ▾

### Question

When the angle of elevation of a gun are 60° and 30° respectively, the height it shoots are h1 and h2 respectively, hj/h2 equal to –

### Choices

Choice (4) Response

a.

1/3

b.

2/1

c.

1/2

d.

3/1

## Question number: 205

MCQ▾

### Question

The magnitude of the linear acceleration of the particle moving in a circle of radius 10 cm with uniform speed completing the circle in 4 s, will be –

### Choices

Choice (4) Response

a.

2.5 π 2 cm/s 2

b.

2.5π cm/s 2

c.

5 π cm/s 2

d.

5 π 2 cm/s 2

## Question number: 206

MCQ▾

### Question

The vernier constant of two vernier calipers A and B are 0.01 cm and 0.01 mm respectively. Which one can measure the length of an object more accurately?

### Choices

Choice (4) Response

a.

Accuracy in measurement does not depend on vernier constant

b.

Vernier B

c.

Vernier A

d.

All of the above